{"title":"Quercetin Supplements","description":"\u003cp\u003e\u003cstrong\u003eQuercetin\u003c\/strong\u003e is a flavonoid — a plant antioxidant found in foods like apples, onions, and berries. As a supplement it’s a popular choice for everyday antioxidant and immune support, and it’s especially sought out during allergy season. You’ll find it here as capsules, liposomal liquids, and combination formulas — often paired with bromelain (an enzyme from pineapple thought to aid absorption) or with vitamin C. Doses commonly range from 250 mg to 1000 mg.\u003c\/p\u003e","products":[{"product_id":"organika-quercitin-with-bromelain-500mg","title":"Organika Quercetin With Bromelain 500mg Caplets, Seasonal Allergy Support, Reduce Inflammation, Sinus Relief","description":"\u003ch2\u003eOrganika Quercetin With Bromelain 500mg Details\u003c\/h2\u003e\n\u003cp\u003eOrganika Quercetin With Bromelain pairs 500mg of quercetin (a flavonoid antioxidant) with bromelain (a pineapple-derived enzyme) in a single capsule. The classic stack for seasonal allergy support, inflammation balance, and sinus comfort. Bromelain is included specifically to support quercetin absorption — a well-established formulation pairing.\u003c\/p\u003e\n\n\u003cp class=\"vitamart-trust-strip\"\u003e\u003cstrong\u003eVitamins Lowest Prices\u003c\/strong\u003e | \u003ca href=\"https:\/\/www.vitamart.ca\/pages\/low-price-guarantee\"\u003eLowest Price in Canada — Guaranteed\u003c\/a\u003e | Ships from Ontario across Canada\u003c\/p\u003e\n\n\u003ch3\u003eQuick Facts\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOrganika\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCaplet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuercetin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500mg per caplet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBromelain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded for absorption support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon uses\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeasonal allergies, sinus support, inflammation balance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCanada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Quercetin + Bromelain Is For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYou deal with seasonal allergies and want a natural support option alongside or instead of antihistamines\u003c\/li\u003e\n\u003cli\u003eYou want sinus and respiratory comfort support, especially during pollen season\u003c\/li\u003e\n\u003cli\u003eYou're building an inflammation-balance stack alongside omega-3s and curcumin\u003c\/li\u003e\n\u003cli\u003eYou want a vitamin C + quercetin combo (this is the quercetin half — pair with a separate C)\u003c\/li\u003e\n\u003cli\u003eYou want the absorption-friendly quercetin + bromelain pairing rather than quercetin alone\u003c\/li\u003e\n\u003cli\u003eYou want a Canadian-made formula at an accessible daily cost\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWho this product is NOT for:\u003c\/strong\u003e Anyone with a pineapple allergy (bromelain is pineapple-derived). Anyone on blood thinners (warfarin, aspirin, etc.) — bromelain has mild blood-thinning effects and should be coordinated with your practitioner. Anyone scheduled for surgery should stop bromelain at least 2 weeks beforehand. If your allergies are severe or affecting daily life, see your healthcare practitioner — natural supports complement medical treatment, they don't replace it for serious symptoms.\u003c\/p\u003e\n\n\u003ch3\u003eVitamart's Take\u003c\/h3\u003e\n\u003cp\u003eOrganika Quercetin With Bromelain is a daily supplement that supports immune health. It combines quercetin, an antioxidant compound found in plants, with bromelain, a pineapple-derived enzyme included to support quercetin absorption. It’s made in Canada.\u003c\/p\u003e\n\n\u003ch3\u003eHow Quercetin + Bromelain Compares\u003c\/h3\u003e\n\n\u003ch4\u003eQuercetin + Bromelain vs Quercetin Alone\u003c\/h4\u003e\n\u003cp\u003eQuercetin alone is a flavonoid antioxidant but is poorly absorbed on its own. Adding bromelain (and ideally vitamin C) significantly improves its bioavailability. Choose quercetin alone only if you take a separate enzyme\/digestive aid that already does this job; for most people, the combination formula makes more sense than the standalone.\u003c\/p\u003e\n\n\u003ch4\u003eQuercetin + Bromelain vs Standard Antihistamines\u003c\/h4\u003e\n\u003cp\u003eAntihistamines (cetirizine, loratadine, etc.) block histamine receptors and provide fast same-day relief. Quercetin works upstream — it's a mast cell stabilizer, meaning it helps reduce the release of histamine in the first place — and works best with consistent use over weeks. Antihistamines are the right tool for acute symptom relief; quercetin is the daily background support that may reduce how much rescue medication you need. Many people use both, in different roles.\u003c\/p\u003e\n\n\u003ch4\u003eQuercetin + Bromelain vs Vitamin C-Only Allergy Support\u003c\/h4\u003e\n\u003cp\u003eVitamin C alone has mild antihistamine activity at higher doses and is often used during allergy season. Quercetin + bromelain takes a different approach (mast cell stabilization + enzyme support). The two are commonly stacked together for layered support — vitamin C, quercetin, and bromelain are the classic \"natural antihistamine stack.\"\u003c\/p\u003e\n\n\u003ch3\u003eHow Quercetin Works (Briefly)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMast cell stabilizer.\u003c\/strong\u003e Histamine is released from immune cells called mast cells in response to allergens. Quercetin helps stabilize these cells, reducing the histamine release that drives sneezing, watery eyes, and runny nose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlavonoid antioxidant.\u003c\/strong\u003e Beyond allergies, quercetin is a plant compound studied for general inflammation-balance and antioxidant support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBromelain pairing.\u003c\/strong\u003e Quercetin's bioavailability is notoriously low. Bromelain (a protein-digesting enzyme) modestly improves absorption — that's why these are commonly combined.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C synergy.\u003c\/strong\u003e Quercetin works well alongside vitamin C; many practitioners recommend taking them together for allergy and immune support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime to effect.\u003c\/strong\u003e Quercetin is not a quick-relief allergy product — its benefits build up over 2–4 weeks of consistent use. Start before allergy season for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow To Use\u003c\/h3\u003e\n\u003cp\u003eTake as directed on the product label, with or without food, or as recommended by your healthcare practitioner. For seasonal allergy support, start 2–4 weeks before your usual allergy season and continue daily through the season. Take consistently — quercetin builds up its effects over time rather than working same-day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCautions:\u003c\/strong\u003e Consult your healthcare practitioner before use if you are pregnant, breastfeeding, taking blood-thinning medication (warfarin, aspirin, etc.), have a bleeding disorder, are scheduled for surgery, or have a pineapple allergy. Stop bromelain at least 2 weeks before any scheduled surgery. Keep out of reach of children.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eHow long until I notice effects on my allergies?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eQuercetin builds up over 2–4 weeks of consistent daily use. It's not an acute-relief product — for fastest results, start before your allergy season begins rather than during the worst week. Some people notice modest changes within the first week; most see clearer effects after 3–4 weeks.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eCan I take it with my antihistamine?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eYes — quercetin works on a different pathway (mast cell stabilization vs receptor blocking) and the two can be used together. Some people find that quercetin reduces how often they need to reach for the rescue antihistamine. Always check with your practitioner if you take prescription allergy medication.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eWhy is bromelain included?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eBromelain is a protein-digesting enzyme from pineapple. It modestly improves quercetin absorption and may add mild anti-inflammatory support of its own. The combination has been used together for decades for allergy and inflammation routines.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eCan I take it with food?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eEither way works. Some people prefer with food to settle the stomach; others take it on an empty stomach to maximize bromelain enzyme activity. Try both and see what your stomach prefers.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eIs it safe with blood thinners?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eBromelain has mild blood-thinning effects, so it's not recommended alongside warfarin, aspirin, clopidogrel, or other anticoagulants without practitioner supervision. Stop at least 2 weeks before scheduled surgery.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eShould I take it year-round or only during allergy season?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eBoth work. Year-round use supports general inflammation balance and may keep your baseline mast cell activity lower. Seasonal-only is more cost-efficient if your allergies are tied to specific pollen seasons. Either approach is fine.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003ch3\u003ePairs Well With\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/vitamin-c-supplements\"\u003eVitamin C\u003c\/a\u003e — the classic stack for natural allergy and immune support\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/nettle\"\u003eNettle (stinging nettle)\u003c\/a\u003e — traditional herbal allergy support\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/omega-3-blend-oil\"\u003eOmega-3 Fish Oil\u003c\/a\u003e — inflammation-balance pair\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/probiotics\"\u003eProbiotics\u003c\/a\u003e — gut and immune support, often part of allergy routines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e💡 Subscribe \u0026amp; save up to 10% on every order — never run out of your daily supplements.\u003c\/p\u003e\n\n\u003ch3\u003eCompare Similar Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/allergies-and-sensitivities\"\u003eAll Allergy Support Supplements\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/inflammation\"\u003eInflammation Support\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/immune-health\"\u003eImmune Support\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/greens-superfoods-and-antioxidants\"\u003eAntioxidants \u0026amp; Superfoods\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAbout Vitamart\u003c\/h3\u003e\n\u003cp\u003eVitamart.ca is Canada's vitamin specialist. We've been selling vitamins and supplements to Canadian families since 2005, shipping from our Ontario warehouse to every province. We believe in \u003cstrong\u003equality products you trust at prices you love\u003c\/strong\u003e — no fancy packaging markups, no pushy upsells, just the vitamins you need at the lowest prices in Canada. Backed by our \u003ca href=\"https:\/\/www.vitamart.ca\/pages\/low-price-guarantee\"\u003eLow Price Guarantee\u003c\/a\u003e: find a lower advertised price at a Canadian competitor and we'll beat it by 1¢.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVitamins Lowest Prices.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Organika","offers":[{"title":"60 Caplets","offer_id":42622013079723,"sku":"2560","price":26.24,"currency_code":"CAD","in_stock":true},{"title":"120 Caplets","offer_id":42622013112491,"sku":"2561ZZZ","price":46.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/4126\/8139\/files\/2560-organika-quercetin-with-bromelain-60-caplets-min.jpg?v=1760014776"},{"product_id":"sisu-nature-s-defense","title":"SISU Nature's Defence (Quercetin Plus Grape Seed Extract), 60 Capsules","description":"\u003ch2\u003e\r\n\tSISU Nature's Defence Details\u003c\/h2\u003e\r\n\u003cp\u003e\r\n\t\u003cstrong\u003eAntioxidants for the maintenance of good health.\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\r\n\tAllergies occur when the immune system identifies a harmless substance like dust or pollen as a toxin and attempts to expel it by releasing inflammatory agents like histamines. This triggers sneezing, coughing, and other inflammatory allergic reactions. If the danger is a false alarm, as in the case of allergies to non-toxic substances, these responses are not needed and cause unnecessary suffering. Some allergy sufferers are turning to natural remedies that support the immune system and prevent the release of inflammatory substances. Many of these remedies are without adverse effects and the body does not build up a tolerance to them. Antioxidants like quercetin and grape seed may help calm the allergic response by reducing the inflammation caused by the immune system.\u003c\/p\u003e\r\n\u003ch3\u003e\r\n\tSISU Nature's Defence Product Information\u003c\/h3\u003e\r\n\u003cdiv\u003e\r\n\t\u003cspan id=\"1349911745002E\" style=\"display: none; \"\u003e \u003c\/span\u003e\r\n\t\u003cul\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tQuercetin has been shown to inhibit the release of inflammatory compounds like histamine without the side effects of pharmaceutical antihistamines\u003c\/li\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tQuercetin is found in many common foods; quercetin in Nature’s Defence is derived from a Brazilian shrub\u003c\/li\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tGrape seeds are a rich source of antioxidant bioflavonoids that also have anti-inflammatory properties\u003c\/li\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tThe effects of quercetin and grape seed are cumulative, so many people start taking the product a few weeks before allergy season begins to support and strengthen the immune system against the allergic response\u003c\/li\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tBoth quercetin and grape seed are non-drowsy, non-stimulating and do not lose effectiveness over time\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003ch3\u003e\r\n\t\tSISU Nature's Defence Advantages\u003c\/h3\u003e\r\n\t\u003cul\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tEasy-to-swallow capsule\u003c\/li\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tGood Manufacturing Practices standards\u003c\/li\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tContains no ingredients that are a source of gluten\u003c\/li\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tTested for guaranteed purity and potency\u003c\/li\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tTested for pesticides and herbicides\u003c\/li\u003e\r\n\t\t\u003cli\u003e\r\n\t\t\tNPN approved\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003cp\u003e\r\n\t\t \u003c\/p\u003e\r\n\u003c\/div\u003e\r\n\u003cp\u003e\r\n\t \u003c\/p\u003e\r\n","brand":"SISU","offers":[{"title":"Default Title","offer_id":42622032478379,"sku":"1418 - 36-DiscoSupplier","price":24.95,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/4126\/8139\/products\/SISU-Natures-Defence-60-Capsules_b6815fbd-01af-41e5-a3b0-32162526710b.jpg?v=1710972110"},{"product_id":"now-quercetin-with-bromelain","title":"NOW Quercetin with Bromelain Capsules","description":"\u003ch2\u003e\r\n\tNOW Quercetin with Bromelain Details\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\t\u003cli\u003e\r\n\t\tSupports Healthy Histamine Levels\u003c\/li\u003e\r\n\t\u003cli\u003e\r\n\t\tHelps Manage Seasonal Discomfort\u003c\/li\u003e\r\n\t\u003cli\u003e\r\n\t\tVegetarian Formula\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\r\n\tQuercetin is a naturally occurring bioflavonoid that supports healthy histamine levels, thereby helping to sustain a balanced immune response.  Bromelain, an enzyme derived from pineapple stems, also supports healthy immune system function. The combination of Quercetin and Bromelain therefore provides powerful immunomodulating benefits important for the management of occasional seasonal discomfort.\u003c\/p\u003e\r\n","brand":"NOW","offers":[{"title":"120 Vcaps","offer_id":42622093328555,"sku":"NOW83070","price":49.97,"currency_code":"CAD","in_stock":false},{"title":"240 Vcaps","offer_id":42622093361323,"sku":"NOW83071","price":92.97,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/4126\/8139\/files\/NOW83070-now-quercetin-with-bromelain-120-vegetable-capsules-min.jpg?v=1749569149"},{"product_id":"new-roots-quercetin-bioflavonoids","title":"New Roots Quercetin Bioflavonoids 500mg, 90 Capsules","description":"\u003ch2\u003e\r\n\tNew Roots Quercetin Bioflavonoids Details\u003c\/h2\u003e\r\n\u003cp\u003e\r\n\tQuercetin is widely distributed in the plant kingdom and is the most abundant of the flavonoid molecules. It is found in many often-consumed foods, including apples, onions, tea, berries, and brassica type vegetables, as well as many seeds, nuts, flowers, barks, and leaves. It is also found in medicinal botanicals, including Ginkgo biloba, Hypericum perforatum (St. John’s wort), Sambucus canadensis (elder), and many others. It is often a major component of the medicinal activity of the plant, and has been shown in experimental studies to have numerous effects on the body.\u003c\/p\u003e\r\n\u003cp\u003e\r\n\tAll flavonoids have the same basic chemical structure, a three-ringed molecule with hydroxyl (OH) groups attached. A multitude of other substitutions can occur, giving rise to the many types of flavonoids. Flavonoids often occur in foods as a glycoside, meaning they have a sugar molecule (rhamnose, glucose, galactose, etc.) attached to the center ring.\u003c\/p\u003e\r\n\u003cp\u003e\r\n\tQuercetin is the aglycone (meaning minus the sugar molecule) of a number of other flavonoids, including rutin, quercetin, isoquercetin, and hyperoside. Quercetin appears to have many beneficial effects on human health, including cardiovascular protection, anti-ulcer effects, anti-allergy activity, cataract prevention, antiviral activity, and anti-inflammatory effects. Mechanisms of action: flavonoids, as a rule, are antioxidants, and a number of quercetin’s effects appear to be due to its antioxidant activity.\u003c\/p\u003e\r\n\u003cp\u003e\r\n\tQuercetin scavenges oxygen radicals, inhibits xanthine oxidase, and inhibits lipid peroxidation in vitro. As another indicator of its antioxidant effects, quercetin inhibits oxidation of LDL cholesterol in vitro, probably by inhibiting LDL oxidation itself, by protecting vitamin E in LDL from being oxidized or by regenerating oxidized vitamin E. By itself, and paired with ascorbic acid, quercetin reduced the incidence of oxidative damage to neurovasculature structures in skin, and inhibited damage to neurons caused by experimental glutathione depletion. Flavonoids, particularly quercetin, are inhibitors of allergic (IgE-mediated) mediator release from mast cells and basophils. In reported laboratory studies, quercetin inhibited not only IgE-mediated allergic mediator release from mast cells but also IgG-mediated histamine and SRS-A (peptidoleukotriene). Interestingly, quercetin was much more potent as an inhibitor of the release of SRS-A than histamine, suggesting that it might also inhibit the biosynthesis of SRS-A. Subsequently it was demonstrated that quercetin was an effective inhibitor of 5-lipoxygenase. This property of the compound most likely accounts for its effect on peptidoleukotriene biosynthesis.\u003c\/p\u003e\r\n\u003cp\u003e\r\n\tQuercetin is indicated in any inflammatory condition, as it inhibits the formation of the inflammatory mediators prostaglandins and leukotrienes, as well as histamine release. This may be especially helpful in asthma, as leukotriene B4 is a potent bronchial constrictor. Quercetin’s inhibition of xanthine oxidase decreases the formation of uric acid, and thus it may be of value in the treatment of gout. Animal studies have shown quercetin to be protective of gastric ulceration caused by ethanol, by inhibiting lipid peroxidation of gastric cells and\/or by inhibition of gastric acid secretion. An interesting aspect of quercetin’s anti-ulcer effect is that it has been shown to inhibit growth of Helicobacter pylori in a dose-dependent manner in vitro.\u003c\/p\u003e\r\n","brand":"New Roots","offers":[{"title":"Default Title","offer_id":42622190551211,"sku":"1142","price":50.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/4126\/8139\/files\/new-roots-herbal-quercetin-500mg-90-vegetable-capsules_1_-min.jpg?v=1711481263"},{"product_id":"aor-quercetin","title":"AOR Quercetin 500mg Capsules","description":"\u003ch2\u003eAOR Quercetin 500mg Details\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eAOR Quercetin\u003c\/strong\u003e delivers 500 mg of pure quercetin per capsule — a plant-derived flavonoid antioxidant most-known for its role in supporting healthy immune response, seasonal allergy comfort, and cardiovascular wellness. Quercetin is found naturally in onions, apples, berries, and green tea, but supplementation provides therapeutic doses far higher than typical dietary intake. AOR's clean single-ingredient formulation: no fillers, no buffering agents, just quercetin in vegetarian capsules. Made in Canada by AOR — a practitioner-trusted Canadian brand.\u003c\/p\u003e\n\n\u003cp class=\"vitamart-trust-strip\"\u003e\u003cstrong\u003eVitamins Lowest Prices\u003c\/strong\u003e  |  \u003ca href=\"https:\/\/www.vitamart.ca\/pages\/low-price-guarantee\"\u003eLowest Price in Canada — Guaranteed\u003c\/a\u003e  |  Ships from Ontario across Canada\u003c\/p\u003e\n\n\u003ch3\u003eQuick Facts\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuercetin per capsule\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 mg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-ingredient vegetarian capsules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon uses\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeasonal allergy support, immune response, cardiovascular wellness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCanada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAOR — practitioner-trusted Canadian brand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBest taken\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDaily with food for absorption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho AOR Quercetin Is For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdults dealing with seasonal allergies who want a natural option to support their allergy comfort routine\u003c\/li\u003e\n\u003cli\u003ePeople wanting daily antioxidant and flavonoid support — quercetin is one of the most-studied dietary flavonoids\u003c\/li\u003e\n\u003cli\u003eAdults focused on cardiovascular wellness who appreciate quercetin's role in supporting healthy blood vessel function\u003c\/li\u003e\n\u003cli\u003eAnyone interested in healthy immune response, especially during seasonal transitions\u003c\/li\u003e\n\u003cli\u003eActive people who want a recovery support tool — quercetin has been studied in athletes for inflammatory response support\u003c\/li\u003e\n\u003cli\u003ePeople wanting Canadian-made practitioner-trusted quality at a moderate price\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWho this product is NOT for:\u003c\/strong\u003e If you take medications that quercetin can interact with (blood thinners, blood pressure medications, certain antibiotics, cyclosporine), talk to your healthcare practitioner first. If you have a kidney condition, consult your practitioner before using high-dose quercetin. If you want quercetin combined with bromelain (a digestive enzyme that may enhance absorption), look at a combination formula instead. If you mainly want acute seasonal allergy relief, an antihistamine might be the more direct tool — quercetin is a longer-game support nutrient, not a fast-acting relief option.\u003c\/p\u003e\n\n\u003ch3\u003eVitamart's Take\u003c\/h3\u003e\n\u003cp\u003eAOR Quercetin is a clean, single-ingredient option for natural seasonal allergy and everyday immune support. It helps support the body through the sneezing and congestion that come with allergy season, with nothing extra added — just quercetin. It works best taken steadily rather than now and then, so it fits a consistent daily routine rather than occasional use. A simple, focused way to support your system.\u003c\/p\u003e\n\n\u003ch3\u003eHow AOR Quercetin Compares\u003c\/h3\u003e\n\n\u003ch4\u003eAOR Quercetin vs Quercetin + Bromelain Combination\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eAOR Quercetin (this product):\u003c\/strong\u003e Single-ingredient quercetin. Clean formulation without other added components.\u003cbr\u003e\n\u003cstrong\u003eQuercetin + Bromelain:\u003c\/strong\u003e Quercetin combined with bromelain (a pineapple enzyme that may enhance quercetin absorption). A fit if you want absorption support built in.\u003c\/p\u003e\n\n\u003ch4\u003eAOR Quercetin vs Antihistamines\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eAOR Quercetin (this product):\u003c\/strong\u003e Daily supportive use that builds over weeks. Supports the body's natural histamine response.\u003cbr\u003e\n\u003cstrong\u003eAntihistamines (OTC):\u003c\/strong\u003e Fast-acting acute relief during allergy symptoms. A different category entirely. Many adults use both — quercetin for ongoing daily support, antihistamines for acute symptom relief.\u003c\/p\u003e\n\n\u003ch4\u003eAOR Quercetin vs Vitamin C + Bioflavonoids\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eAOR Quercetin:\u003c\/strong\u003e Focused dose of quercetin for adults specifically wanting this flavonoid.\u003cbr\u003e\n\u003cstrong\u003eVitamin C + Bioflavonoids:\u003c\/strong\u003e Includes quercetin and other flavonoids alongside vitamin C in lower doses. A fit if you want broader bioflavonoid coverage rather than concentrated quercetin.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Is Quercetin?\u003c\/h3\u003e\n\u003cp\u003eQuercetin is a plant-derived flavonoid — a type of antioxidant compound found naturally in many fruits and vegetables. Here's what's known about it:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhere it comes from in food:\u003c\/strong\u003e Onions (especially red onions), apples, berries, green tea, broccoli, kale, and capers contain meaningful amounts. Dietary intake from food is usually 5-40 mg daily — well below the 500 mg therapeutic dose used in research.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat research supports:\u003c\/strong\u003e Quercetin is one of the most-studied dietary flavonoids, with research suggesting roles in immune response, seasonal allergy support, cardiovascular function, and antioxidant protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeasonal allergy use:\u003c\/strong\u003e Quercetin appears to support the body's natural histamine response, which is why it's popular for seasonal allergy comfort. Most adults notice support over 2-4 weeks of consistent use, not immediate relief.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy supplementation matters:\u003c\/strong\u003e Food sources provide modest amounts — not enough to reach the doses used in research. Supplementation provides concentrated, consistent intake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety profile:\u003c\/strong\u003e Quercetin has been used as a supplement for decades. Most adults tolerate doses up to 1,000 mg daily without issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow To Use\u003c\/h3\u003e\n\u003cp\u003eAdults: Take 1 capsule daily with food, or as directed by your healthcare practitioner. Taking with food (especially food containing some fat) helps absorption. For seasonal allergy support, start 2-4 weeks before your typical allergy season for best results.\u003c\/p\u003e\n\u003cp\u003eTalk to a healthcare practitioner before use if you take blood thinners (warfarin, aspirin), blood pressure medications, certain antibiotics, cyclosporine, or chemotherapy drugs. Quercetin can interact with these medications. Also consult your practitioner if you have kidney disease or are pregnant or breastfeeding.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eWhat is quercetin used for?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eQuercetin is most commonly used for seasonal allergy support, healthy immune response, cardiovascular wellness, and antioxidant protection. It's one of the most-studied dietary flavonoids.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eDoes it work for seasonal allergies?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eResearch suggests quercetin supports the body's natural histamine response, which is why it's popular for allergy comfort. Effects build over 2-4 weeks of consistent use, not immediate relief. For best results, start taking quercetin 2-4 weeks before your typical allergy season begins. Many adults use it alongside, not instead of, antihistamines for acute symptom relief.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eCan I get enough from food?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eProbably not at therapeutic doses. Dietary quercetin intake is typically 5-40 mg daily — well below the 500 mg studied in research. Supplementation provides concentrated, consistent intake at meaningful doses.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eWill it interact with my medications?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003ePossibly. Quercetin can interact with blood thinners, blood pressure medications, certain antibiotics, cyclosporine, and chemotherapy drugs. Talk to your healthcare practitioner before starting quercetin if you take any of these medications.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eHow much should I take?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003e500 mg once daily is a typical dose for most adults. Research has used doses from 250 mg up to 1,000 mg daily, depending on the goal. Higher doses may be used short-term for specific goals under practitioner supervision.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eHow long until I notice effects?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eQuercetin is a longer-game supplement, not a fast-acting one. Most adults notice support over 2-4 weeks of consistent daily use. For seasonal allergy support, start taking it before allergy season for best results.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003ch3\u003ePairs Well With\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/vitamin-c\"\u003eVitamin C Supplements\u003c\/a\u003e — the classic flavonoid pairing for immune support\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/immune-support\"\u003eImmune Support Supplements\u003c\/a\u003e — broader immune-support routine\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/seasonal-allergies\"\u003eSeasonal Allergy Supplements\u003c\/a\u003e — if seasonal allergies are your main concern\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/heart-health\"\u003eHeart Health Supplements\u003c\/a\u003e — cardiovascular wellness routine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e💡 Subscribe \u0026amp; save up to 10% on every order — never run out of your daily supplements.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eCompare Similar Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/vitamin-c\"\u003eVitamin C with Bioflavonoids\u003c\/a\u003e — Combination immune-support formulas.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/seasonal-allergies\"\u003eSeasonal Allergy Support\u003c\/a\u003e — The broader allergy-support category.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/immune-support\"\u003eAll Immune Support Supplements\u003c\/a\u003e — Browse immune-support options.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/antioxidants\"\u003eAntioxidant Supplements\u003c\/a\u003e — Browse antioxidant options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAbout Vitamart\u003c\/h3\u003e\n\u003cp\u003eVitamart.ca is Canada's vitamin specialist. We've been selling vitamins and supplements to Canadian families since 2005, shipping from our Ontario warehouse to every province. We believe in \u003cstrong\u003equality products you trust at prices you love\u003c\/strong\u003e — no fancy packaging markups, no pushy upsells, just the vitamins you need at the lowest prices in Canada. Backed by our \u003ca href=\"https:\/\/www.vitamart.ca\/pages\/low-price-guarantee\"\u003eLow Price Guarantee\u003c\/a\u003e: find a lower advertised price at a Canadian competitor and we'll beat it by 1¢.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVitamins Lowest Prices.\u003c\/strong\u003e\u003c\/p\u003e","brand":"AOR","offers":[{"title":"100 Vegi-Capsules","offer_id":42622212931755,"sku":"AOR04311","price":51.22,"currency_code":"CAD","in_stock":true},{"title":"200 Vegi-Capsules","offer_id":42622212964523,"sku":"AOR04230","price":79.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/4126\/8139\/products\/AOR-Quercetin-500mg-200-Vegi-Capsules-01_6bfa5c4c-8348-430d-85f1-cbd25b39487e.jpg?v=1716073845"},{"product_id":"aor-pro-quercetin-120-capsules","title":"AOR Pro Quercetin, 120 Capsules","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: arial, sans-serif;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003eAOR Pro Quercetin Details\u003c\/h2\u003e\n\u003cp\u003eQuercetin is a dietary flavonoid found in apples, onions, tea, and berries and has a variety of health benefits. Pro Quercetin is effective in the management of hypersensitivity reactions, particularly type I IgE mediated reactions that cause a histamine release, like seasonal allergies.\u003c\/p\u003e\n\u003ch3\u003eAOR Pro Quercetin Features and Benefits\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e How Does it Work?\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv\u003eIt alleviates allergies by stabilizing the membranes of certain immune cells to prevent them from releasing histamines. It also blocks enzymes that are responsible for producing inflammatory molecules that sensitize the body's pain receptors. In addition to immune modulation, Pro Quercetin is also effective in regulating inflammation and acts as one of the most powerful antioxidants.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAOR Advantage\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cem style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/div\u003e\n\u003cdiv\u003eAOR's Pro Quercetin is derived from citrus-free sources to avoid sensitivity reactions and is pharmaceutical grade to take advantage of the health benefits offered by this flavonoid powerhouse.\u003c\/div\u003e","brand":"AOR","offers":[{"title":"Default Title","offer_id":42622885396651,"sku":"AOR34311","price":54.53,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/4126\/8139\/products\/AOR-Pro-Quercetin-120-Capsules_3a54d660-e8ef-4ce7-bbe9-a2dce3d628be.jpg?v=1716074313"},{"product_id":"new-roots-quercetin-bioflavonoids-complex-600mg-250mg-of-quercetin-90-capsules","title":"New Roots Quercetin Bioflavonoids Complex 600mg with 250mg of Quercetin","description":"\u003ch2\u003eNew Roots Quercetin Bioflavonoids Complex Details\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eUnleash the power of nature with New Roots Quercetin Bioflavonoids Complex. A dynamic blend of potent antioxidants and digestive enzymes, this formula is designed to combat free radicals and reduce oxidative stress, promoting optimal cellular health. Featuring quercetin, citrus bioflavonoids, rutin, and bromelain, it's a comprehensive bioflavonoid powerhouse with added digestive support. Elevate your well-being with this exceptional supplement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Roots Quercetin Bioflavonoids Complex Features and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid Antioxidant Formula:\u003c\/strong\u003e Scavenge free radicals and defend against oxidative stress for robust cellular protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Quercetin Properties:\u003c\/strong\u003e Proteolytic enzymes boost the effectiveness of quercetin, contributing to overall health.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Bioflavonoid Blend:\u003c\/strong\u003e Crafted with naturally sourced citrus bioflavonoids, rutin, and quercetin-based flavonoids for maximum benefits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotent Digestive Support:\u003c\/strong\u003e Bromelain, derived from pineapple stems, provides essential proteolytic enzymes for protein digestion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Health Benefits:\u003c\/strong\u003e Supports cardiovascular and respiratory systems, reduces stress effects, and aids in allergy management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoose New Roots Quercetin Bioflavonoids Complex — your path to vibrant health. 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Quercetin, a powerful bioflavonoid found in various fruits, vegetables, and herbs, plays a crucial role in enhancing the absorption of Vitamin C and protecting capillaries and blood vessels.\u003c\/p\u003e\n\u003cp\u003eThis extra-strength formula comes in easy-to-swallow vegetable capsules, offering a convenient way to support your cellular health. Quercetin is often used in herbal medicine for its potential to relieve seasonal allergies and bolster immune health. 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Derived from plants, quercetin plays a pivotal role in minimizing oxidative damage caused by free radicals, contributing to overall well-being. Overcoming the challenge of poor solubility and absorption, our advanced liposomal nutrient delivery system ensures the efficient delivery of this essential antioxidant.\u003c\/p\u003e\n\u003cp\u003eThe patented delivery system swiftly transports active quercetin directly to cells, guaranteeing superior absorption. Bio-friendly phospholipid bilayers create a protective bubble, shielding the nutrient payload from digestive hazards, enzymes, and absorption-blocking substances. Composed of soy-free phospholipids sourced from sunflower and phosphatidylcholine, this formula enhances permeability, absorption rate, and rapid uptake into the blood or lymphatic system.\u003c\/p\u003e\n\u003cp\u003ePurity is paramount – CanPrev Liposomal Quercetin boasts freedom from artificial colors, flavors, preservatives, and animal products. Immerse yourself in the delectable Pineapple flavor, turning antioxidant supplementation into a flavorful and effective experience.\u003c\/p\u003e\n\u003ch3\u003eCanPrev Liposomal Quercetin Features and Benefits\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Absorption: \u003c\/strong\u003ePatented liposomal delivery swiftly transports active quercetin directly to cells, ensuring optimal absorption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBio-Friendly Protection:\u003c\/strong\u003e Phospholipid bilayers shield against digestive hazards, enzymes, and absorption-blocking substances, guaranteeing quick sustained cellular uptake.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoy-Free Phospholipids:\u003c\/strong\u003e Crafted with soy-free phospholipids sourced from sunflower and phosphatidylcholine, enhancing permeability and absorption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClean Nutrition, Pineapple Flavor: \u003c\/strong\u003eNo artificial colors, flavors, preservatives, or animal products – enjoy the Pineapple flavor without compromise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePotent Antioxidant Support: \u003c\/strong\u003eQuercetin extinguishes free radicals, promoting healthy immune function, reducing inflammation, and alleviating seasonal allergy symptoms.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElevate immune health with CanPrev Liposomal Quercetin. Revel in the Pineapple flavor – order now for antioxidant support that's both effective and delicious!\u003c\/span\u003e\u003c\/p\u003e","brand":"CanPrev","offers":[{"title":"Pineapple \/ 225ml","offer_id":43306445734059,"sku":"195646","price":35.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/4126\/8139\/files\/195646-canprev-quercetin-liposomal-225ml-45servings.jpg?v=1716074839"},{"product_id":"thorne-quercetin-phytosome-60-capsules","title":"Thorne Quercetin Phytosome 250mg, Powerhouse Antioxidant to Help Boost Immune System, 60 Capsules","description":"\u003ch2\u003eThorne Quercetin Phytosome Details\u003c\/h2\u003e\n\u003cp\u003eThorne Quercetin Phytosome provides a plant-based antioxidant powerhouse to help optimize your immune system and support overall wellness. Quercetin is a flavonoid found in fruits, vegetables, and tea, known for its antioxidant properties that combat oxidative stress and free radical damage, which can contribute to cellular damage and aging. However, quercetin's natural absorption is limited, which is why Thorne utilizes phytosome technology to enhance its bioavailability.\u003c\/p\u003e\n\u003cp\u003eThis patented technology allows Thorne Quercetin Phytosome to be absorbed up to 20 times more efficiently than regular quercetin, maximizing its benefits in a smaller dose. This supplement is ideal for supporting immune health, respiratory function, and a healthy aging process.\u003c\/p\u003e\n\u003ch3\u003eThorne Quercetin Phytosome Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Immune Support\u003c\/strong\u003e: Thorne Quercetin Phytosome supports a balanced immune response by aiding the function of immune cells and regulating histamine release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeasonal Allergy \u0026amp; Respiratory Relief\u003c\/strong\u003e: Helps alleviate the effects of seasonal allergies and supports a healthy inflammatory response in the respiratory tract.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthy Aging Benefits\u003c\/strong\u003e: Quercetin helps reduce cellular senescence (aging cells), up-regulates sirtuins, and promotes cellular health for improved age-related metabolic function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Absorption\u003c\/strong\u003e: Using phytosome technology, Thorne’s Quercetin Phytosome is up to 20 times more bioavailable than standard quercetin for optimal benefits with a smaller dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerful Antioxidant\u003c\/strong\u003e: As a flavonoid, quercetin helps neutralize damaging free radicals, protecting against oxidative stress and supporting overall wellness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports Healthy Inflammation\u003c\/strong\u003e: Helps manage inflammation in the body, particularly in the respiratory tract, supporting overall wellness and recovery.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Thorne Research","offers":[{"title":"60 Capsules","offer_id":44723230474411,"sku":"ZB335-DiscoSupplier","price":57.5,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/4126\/8139\/files\/ZB335-thorne-quercetin-phytosome-60-capsules-min.jpg?v=1732209623"},{"product_id":"vitacheck-quercetin-500mg-vegetable-capsules","title":"Vitacheck Quercetin 500mg Extra Strength, Immune Health, Seasonal Allergy Relief, Cellular Health, 120 Vegetable Capsules","description":"\u003ch2\u003eVitacheck Quercetin 500mg Extra Strength Details\u003c\/h2\u003e\n\u003cp\u003eVitacheck Quercetin 500mg Extra Strength is a single-ingredient quercetin capsule at a meaningful daily dose. Quercetin is the flavonoid antioxidant most associated with mast cell stabilization, seasonal allergy support, and inflammation balance. Each vegetable capsule provides 500mg of pure quercetin — no bromelain, no fillers, no proprietary blends. A Vitamart Exclusive brand priced for everyday daily use without the premium-brand markup.\u003c\/p\u003e\n\n\u003cp class=\"vitamart-trust-strip\"\u003e\u003cstrong\u003eVitamins Lowest Prices\u003c\/strong\u003e | \u003ca href=\"https:\/\/www.vitamart.ca\/pages\/low-price-guarantee\"\u003eLowest Price in Canada — Guaranteed\u003c\/a\u003e | Ships from Ontario across Canada\u003c\/p\u003e\n\n\u003ch3\u003eQuick Facts\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVitacheck (Vitamart Exclusive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVegetable capsule\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuercetin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500mg per capsule\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormula\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-ingredient (no bromelain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 vegetable capsules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDose\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 capsule daily (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVegan, non-GMO, gluten-free, dairy-free, soy-free, Made in Canada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFree from\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNuts, eggs, animal products, fish, shellfish, corn, wheat, yeast\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Vitacheck Quercetin Is For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYou take quercetin daily and want the lowest cost per capsule without sacrificing quality\u003c\/li\u003e\n\u003cli\u003eYou already take a separate bromelain or vitamin C and don't need a combination formula\u003c\/li\u003e\n\u003cli\u003eYou want flexible daily dosing — stack with vitamin C, build your own \"natural antihistamine\" combo\u003c\/li\u003e\n\u003cli\u003eYou're focused on seasonal allergy support, immune wellness, or daily antioxidant routines\u003c\/li\u003e\n\u003cli\u003eYou want a Made-in-Canada formula free from common allergens (nuts, dairy, soy, gluten, etc.)\u003c\/li\u003e\n\u003cli\u003eYou like buying staple supplements direct from Vitamart's own brand to skip outside marketing markups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWho this product is NOT for:\u003c\/strong\u003e If you want the absorption boost from bromelain in one capsule, choose a quercetin + bromelain combo like Organika Quercetin + Bromelain instead. If your allergies are severe or affecting daily life, see your healthcare practitioner — natural supports complement medical treatment rather than replace it. Anyone on blood-thinning medication, scheduled for surgery, or pregnant\/breastfeeding should coordinate with their practitioner before starting quercetin.\u003c\/p\u003e\n\n\u003ch3\u003eVitamart's Take\u003c\/h3\u003e\n\u003cp\u003eVitacheck Quercetin Extra Strength is a single-ingredient quercetin supplement that supports immune health. Quercetin is an antioxidant compound found in plants; this formula delivers it on its own, with no added enzymes or blends. It's a Vitamart Exclusive brand — made in Canada, vegan, and free from common allergens.\u003c\/p\u003e\n\n\u003ch3\u003eHow Vitacheck Quercetin Compares\u003c\/h3\u003e\n\n\u003ch4\u003eVitacheck Quercetin vs Quercetin + Bromelain Combos\u003c\/h4\u003e\n\u003cp\u003eQuercetin + bromelain combos (like Organika Quercetin + Bromelain) pair quercetin with a pineapple-derived enzyme that modestly improves absorption. Vitacheck Quercetin is the single-ingredient option at a lower per-capsule cost. Choose the combo if you want everything in one capsule; choose Vitacheck if you take a separate enzyme\/digestive aid or want maximum flexibility in your stack.\u003c\/p\u003e\n\n\u003ch4\u003eVitacheck Quercetin vs Branded Quercetin Capsules\u003c\/h4\u003e\n\u003cp\u003eBranded quercetin supplements often run 30–50% higher per capsule for the same 500mg dose of the same active ingredient. Quality differences are minimal for a single-ingredient supplement like this — quercetin is quercetin. Vitacheck cuts the markup by selling direct through Vitamart, without outside marketing or premium packaging.\u003c\/p\u003e\n\n\u003ch4\u003eVitacheck Quercetin vs Multi-Ingredient Allergy Formulas\u003c\/h4\u003e\n\u003cp\u003eMulti-ingredient allergy formulas (CanPrev Healthy Lungs, others) combine quercetin with NAC, vitamin C, zinc, and other respiratory and immune nutrients in one bottle. Vitacheck Quercetin goes deep on one ingredient — useful if you already take a separate multivitamin or immune stack and just want to add quercetin on top. Different tools, different jobs.\u003c\/p\u003e\n\n\u003ch3\u003eHow Quercetin Works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMast cell stabilizer.\u003c\/strong\u003e Histamine is released from immune cells called mast cells in response to allergens. Quercetin helps stabilize these cells, reducing the histamine release that drives sneezing, watery eyes, and runny nose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlavonoid antioxidant.\u003c\/strong\u003e Beyond allergies, quercetin is a plant compound studied for general inflammation-balance and cellular protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C synergy.\u003c\/strong\u003e Quercetin works well alongside vitamin C — they're commonly stacked for immune and antioxidant support. The classic \"natural antihistamine stack\" is quercetin + vitamin C + bromelain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime to effect.\u003c\/strong\u003e Quercetin is not a quick-relief allergy product — its benefits build up over 2–4 weeks of consistent use. Start before allergy season for best results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapillary and vascular support.\u003c\/strong\u003e As a bioflavonoid, quercetin is associated with capillary strength and overall vascular wellness, beyond just its allergy role.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow To Use\u003c\/h3\u003e\n\u003cp\u003eTake 1 capsule daily, with or without food, or as directed by your healthcare practitioner. For seasonal allergy support, start 2–4 weeks before your usual allergy season and continue daily through the season. Take consistently — quercetin builds up its effects over time rather than working same-day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCautions:\u003c\/strong\u003e Consult your healthcare practitioner before use if you are pregnant or breastfeeding, taking blood-thinning medication (warfarin, aspirin, etc.), have a bleeding disorder, are scheduled for surgery, or have a medical condition. Keep out of reach of children.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eWhy is Vitacheck Quercetin lower-priced than other brands?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eVitacheck is one of our Vitamart Exclusive brands. Quercetin is a single, standardized ingredient — there's no special form or proprietary blend that justifies a premium markup. We work directly with quality Canadian manufacturers and skip the outside marketing. You get the same 500mg of quercetin per capsule, at a lower cost per dose.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eHow long until I notice effects on my allergies?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eQuercetin builds up over 2–4 weeks of consistent daily use. It's not an acute-relief product — for fastest results, start before your allergy season begins rather than during the worst week. Some people notice modest changes within the first week; most see clearer effects after 3–4 weeks.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eShould I take this or quercetin + bromelain?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eBoth work. Bromelain (a pineapple-derived enzyme) modestly improves quercetin absorption, so quercetin + bromelain combos can be slightly more bioavailable per capsule. Vitacheck Quercetin is the single-ingredient option at a lower cost — ideal if you take a separate enzyme or digestive supplement, or want to stack your own combinations.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eCan I take it with my antihistamine?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eYes — quercetin works on a different pathway (mast cell stabilization vs receptor blocking) and the two can be used together. Some people find that consistent quercetin use reduces how often they need to reach for the rescue antihistamine. Always check with your practitioner if you take prescription allergy medication.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eCan I take it with vitamin C?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eYes — vitamin C, quercetin, and bromelain are commonly stacked for immune and allergy support. Vitamin C also has mild antihistamine activity at higher doses and works well alongside quercetin.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e➕ \u003cstrong\u003eIs it vegan and allergen-friendly?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv\u003eYes. Vitacheck Quercetin uses vegetable capsules and is free from gluten, dairy, soy, nuts, eggs, animal products, fish, shellfish, corn, wheat, and yeast. Made in Canada.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003ch3\u003ePairs Well With\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/vitamin-c-supplements\"\u003eVitamin C\u003c\/a\u003e — the classic stack for natural allergy and immune support\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/bromelain\"\u003eBromelain\u003c\/a\u003e — add separately for the classic quercetin + bromelain + C combo\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/n-acetyl-cysteine-nac\"\u003eNAC\u003c\/a\u003e — respiratory support pair\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/probiotics\"\u003eProbiotics\u003c\/a\u003e — gut and immune support, often part of allergy routines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e💡 Subscribe \u0026amp; save up to 10% on every order — never run out of your daily supplements.\u003c\/p\u003e\n\n\u003ch3\u003eCompare Similar Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/quercetin\"\u003eAll Quercetin Supplements\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/allergies-and-sensitivities\"\u003eAllergy Support Supplements\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/immune-health\"\u003eImmune Support\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vitamart.ca\/collections\/greens-superfoods-and-antioxidants\"\u003eAntioxidants \u0026amp; Superfoods\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAbout Vitamart and Vitacheck\u003c\/h3\u003e\n\u003cp\u003eVitacheck is one of our Vitamart Exclusive brands — quality supplements made in Canada and priced for everyday value. We launched Vitacheck because we kept seeing customers paying premium prices for the same active ingredients sold under flashy brand names. Vitacheck cuts that out: same standardized doses, fair manufacturing, no marketing markup.\u003c\/p\u003e\n\u003cp\u003eVitamart.ca is Canada's vitamin specialist. We've been selling vitamins and supplements to Canadian families since 2005, shipping from our Ontario warehouse to every province. We believe in \u003cstrong\u003equality products you trust at prices you love\u003c\/strong\u003e — no fancy packaging markups, no pushy upsells, just the vitamins you need at the lowest prices in Canada. Backed by our \u003ca href=\"https:\/\/www.vitamart.ca\/pages\/low-price-guarantee\"\u003eLow Price Guarantee\u003c\/a\u003e: find a lower advertised price at a Canadian competitor and we'll beat it by 1¢.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVitamins Lowest Prices.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Vitacheck","offers":[{"title":"120 Vegetable Capsules","offer_id":44961545355435,"sku":"VC9801","price":29.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/4126\/8139\/files\/VItacheck_Quercetin_500mg_1.jpg?v=1778517226"},{"product_id":"biotics-research-histoplex-90-capsules","title":"Biotics Research HistoPlex, Supports Immune Health \u0026 Natural Histamine Response for Allergy Relief, 90 Capsules","description":"\u003ch2\u003eBiotics Research HistoPlex Details\u003c\/h2\u003e\n\u003cp\u003eBiotics Research HistoPlex is a natural allergy relief supplement designed to help regulate your body’s histamine response and support overall immune health. 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