Skip to product information

  • Vegetarian Vegetarian
  • Non-GMO Non-GMO
  • Non-GMO Verified Non-GMO Verified
  • Made in Canada Made in Canada

Prairie Naturals Resveratrol Rx with Japanese Knotweed 145mg, French Red Wine and Green Tea Extracts, 60-120 Vegetable Capsules

Prairie Naturals Resveratrol Rx with Japanese Knotweed 145mg, French Red Wine and Green Tea Extracts, 60-120 Vegetable Capsules

Outline star
Outline star
Outline star
Outline star
Outline star
Filled star
Filled star
Filled star
Filled star
Filled star
(1)

Size

Want more than 6?

Request a larger quantity

Request a larger quantity

We'll email you an invoice. Once it's paid we order the stock — it typically reaches our warehouse in 1–2 weeks, then ships to you.

We usually reply within 1–2 business days
Special-order item - ships in 3-5 business days
All order items ship together

Save money with volume discounts!

  • Buy 3+
    $43.95 $43.08 / each Save 2%

  • Buy 6+
    $43.95 $42.64 / each Save 3%

  • Buy 12+
    $43.95 $41.76 / each Save 5%


  • Vegetarian Vegetarian
  • Non-GMO Non-GMO
  • Non-GMO Verified Non-GMO Verified
  • Made in Canada Made in Canada

60 Vegetable Capsules | Prairie Naturals Reseratrol Rx

Prairie Naturals Resveratrol Rx with Japanese Knotweed 145mg, French Red Wine and Green Tea Extracts, 60-120 Vegetable Capsules

:by Prairie Naturals

Regular price $43.95 CAD
Sale price $43.95 CAD Regular price
Sale Sold out
In Stock
Low Price Guarantee
Low Price Guarantee

If you find a lower price, we'll beat it

Brands You Can Trust
Brands You Can Trust

Quality products you can depend on

Fast Free Shipping
Fast Free Shipping

Canadian orders $79+ ship free

Hassle-Free Returns
Hassle-Free Returns

Not happy? Return it within 30 days

Prairie Naturals Resveratrol Rx Details

Prairie Naturals Resveratrol Rx combines three plant extracts in each vegetable capsule: Japanese Knotweed extract 145 mg (standardized to 50% trans-resveratrol), BioVin Advanced French Red Wine extract 50 mg (5% trans-resveratrol) and Japanese Green Tea extract 50 mg (90% polyphenols, 30% EGCG). It is a source of antioxidants for the maintenance of good health and to help fight oxidative stress. The capsules are vegan, non-GMO, gluten-free, yeast-free and dairy-free. Available in 60 or 120 vegetable capsules.

Vitamins Lowest Prices | Lowest Price in Canada — Guaranteed | Ships from Ontario across Canada

Quick Facts

Japanese Knotweed per capsule 145 mg (35:1 extract, 50% trans-resveratrol)
French Red Wine per capsule 50 mg BioVin Advanced (5% trans-resveratrol)
Green Tea per capsule 50 mg (100:1 extract, 90% polyphenols, 30% EGCG)
Caffeine Green tea extract is standardized to 0–1% caffeine — a trace amount
Format Vegetable capsules
Dose 1 capsule twice daily with meals
Sizes 60 or 120 vegetable capsules
Diet notes Vegan, non-GMO, gluten-free, yeast-free, dairy-free

Who Resveratrol Rx Is For

  • Adults looking for a source of antioxidants for the maintenance of good health
  • People who want resveratrol from both Japanese knotweed and French red wine in one capsule
  • Anyone who wants green tea polyphenols and EGCG alongside resveratrol
  • Vegans and vegetarians looking for a plant-based antioxidant
  • People building a healthy-aging supplement routine

Who this product is NOT for:

  • Anyone pregnant or breastfeeding
  • People taking anticoagulants, antiplatelet medications or drugs metabolized by the liver (P450) — do not use
  • Those with a liver disorder or iron deficiency, unless a health care practitioner approves it
  • Anyone avoiding all caffeine — the green tea extract contains a trace amount (0–1%)

Vitamart's Take

Resveratrol Rx gets its resveratrol from two sources — a standardized Japanese knotweed extract and BioVin French red wine extract — and backs it with a concentrated green tea extract rich in EGCG. Two capsules a day with meals is the label dose. It is a well-built antioxidant formula, but it does come with real cautions: skip it if you are on blood thinners or pregnant, and check with a practitioner if you have liver concerns. If those do not apply, it is a solid choice for a plant-based antioxidant routine.

How Resveratrol Rx Compares

Resveratrol Rx vs. NMN Rx

Prairie Naturals NMN Rx pairs nicotinamide mononucleotide 200 mg with quercetin and trans-resveratrol 75 mg. Resveratrol Rx is the resveratrol-focused option, with knotweed, red wine and green tea extracts and no NMN.

Three extracts vs. single-source resveratrol

Many resveratrol products use Japanese knotweed alone. Resveratrol Rx adds BioVin French red wine extract and green tea polyphenols for a broader antioxidant mix.

Resveratrol Rx vs. Quercetin

Prairie Naturals Quercetin 500mg is a single bioflavonoid. Resveratrol Rx is a polyphenol blend — some people use the two together in a broader antioxidant routine.

What Is Resveratrol?

  • Resveratrol is a polyphenol found naturally in grapes, red wine, peanuts and some berries
  • Trans-resveratrol is the form most supplements standardize to
  • Japanese knotweed (Fallopia japonica) is a concentrated plant source; this extract is standardized to 50% trans-resveratrol
  • BioVin is a French red wine (Vitis vinifera) extract, standardized here to 5% trans-resveratrol
  • Green tea (Camellia sinensis) contributes polyphenols, including EGCG

Recommended Purpose

  • Source of antioxidants for the maintenance of good health and to help fight oxidative stress

How To Use

  • Adults: take 1 capsule twice daily with meals, or as directed by a health care practitioner
  • Consult a health care practitioner for use beyond 4 weeks
  • Consult a health care practitioner prior to use if you have a liver disorder or iron deficiency
  • Do not use if you are pregnant or breastfeeding, or taking anticoagulant, antiplatelet or P450-metabolized medications
  • Store in a cool, dry place and keep out of reach of children

Ingredients (per capsule)

Japanese Knotweed (Fallopia japonica) 35:1 extract, 50% trans-resveratrol 145 mg
BioVin Advanced French Red Wine (Vitis vinifera), 5% trans-resveratrol 50 mg
Japanese Green Tea (Camellia sinensis) 100:1 extract, 90% polyphenols, 30% EGCG, 0–1% caffeine 50 mg

Non-medicinal ingredients: microcrystalline cellulose, magnesium stearate, hypromellose.

Frequently Asked Questions

➕ What is in each capsule?
Each vegetable capsule contains Japanese Knotweed extract 145 mg, BioVin French Red Wine extract 50 mg and Japanese Green Tea extract 50 mg.
➕ How do I take it?
Take 1 capsule twice daily with meals. Consult a health care practitioner for use beyond 4 weeks.
➕ Does it contain caffeine?
Only a trace. The green tea extract is standardized to 0–1% caffeine.
➕ Is it vegan?
Yes. Prairie Naturals lists it as vegan, non-GMO, gluten-free, yeast-free and dairy-free, in a hypromellose vegetable capsule.
➕ Can I take it with blood thinners?
No. Do not use Resveratrol Rx if you are taking anticoagulant or antiplatelet medications, or drugs metabolized by the P450 liver enzymes.
➕ Which sizes are available?
Resveratrol Rx comes in 60 and 120 vegetable capsule sizes.

Pairs Well With

💡 Subscribe & save for an extra discount on every order — never run out of your daily supplements.

Compare Similar Products

About Vitamart

Vitamart.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 quality products you trust at prices you love — no fancy packaging markups, no pushy upsells, just the supplements you need at the lowest prices in Canada. Backed by our Low Price Guarantee: find a lower advertised price at a Canadian competitor and we'll beat it by 1¢. Vitamins Lowest Prices.

Adults take 1 Prairie Naturals Resveratrol Rx capsule twice daily with meals, or as directed by a health care practitioner. Consult a health care practitioner for use beyond 4 weeks.

Nutrition Facts / Valeur nutritive

Medicinal Ingredients 1 V-Cap 2 V-Caps
Japanese Knotweed (Fallopia japonica) 35:1 P.E. equivalent to 5075 mg of dried plant providing 50% trans-resveratrol 145 mg 290 mg
BioVin® Advanced, French Red Wine (Vitis vinifera) providing 5% trans-resveratrol 50 mg 100 mg
Japanese Green Tea (Camellia sinensis) 100:1 P.E. equivalent to 5,000 mg of dried plant providing 90% polyphenols 50 mg 100 mg

Additional Ingredients

Microcrystalline cellulose, magnesium stearate, hypromellose.

Warnings

Consult a health care practitioner prior to use if you have a liver disorder or if you have an iron deficiency. Stop use if you develop symptoms of liver trouble such as yellowing of the skin/eyes (jaundice), stomach pain, dark urine, sweating, nausea, unusual tiredness and/or loss of appetite and consult a health care practitioner. Consult a health care practitioner if you are taking other natural health products or prescription medications.

Contra-indications: Do not take if you are pregnant or breastfeeding, or if you are currently taking anticoagulant, antiplatelet, or P450 metabolized agents.

Store in tightly sealed container in a cool, dry place.

Prairie Naturals Resveratrol Rx with Japanese Knotweed 145mg, French Red Wine and Green Tea Extracts Customer Reviews