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St. Francis Oregano Oil 1:3 Liquid Drops, Regular Strength, Cold and Flu Support, 15ml or 30ml
St. Francis Oregano Oil 1:3 Liquid Drops, Regular Strength, Cold and Flu Support, 15ml or 30ml
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St. Francis Oregano Oil 1:3 is a potent, antioxidant-rich essential oil blend designed to support your immune system during cold and flu season. Made from certified organic oregano and olive oil, this formula provides natural relief with a minimum of 72% carvacrol.

St. Francis Oregano Oil 1:3 Liquid Drops, Regular Strength, Cold and Flu Support, 15ml or 30ml
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St. Francis Oregano Oil 1:3 Details
St. Francis Oregano Oil 1:3 is a regular-strength blend of certified organic oregano essential oil (Origanum vulgare, leaf) in certified organic extra virgin olive oil. The oregano oil makes up 25% of the blend (1:3) and contains thymol and a minimum of 72% carvacrol. St. Francis describes oregano oil as one of nature's most powerful antioxidants, to be taken at the first sign of cold and flu symptoms. Adults take 4–6 drops 3–4 times daily with food. This 15 mL dropper bottle is vegan, non-GMO and made in Canada by St. Francis Herb Farm.
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Quick Facts
| Medicinal ingredient | Certified organic essential oil of oregano (Origanum vulgare, leaf) 25% (1:3) |
| Carvacrol | Minimum 72% (also contains thymol) |
| Carrier oil | Certified organic extra virgin olive oil |
| Strength | Regular strength (1:3) — milder than the 1:1 Oreganum Plus |
| Adult dose | 4–6 drops 3–4 times daily with food |
| Size | 15 mL dropper bottle |
| Diet notes | Certified organic, non-GMO, vegan, vegetarian |
| Brand origin | Made in Canada by St. Francis Herb Farm (NPN 80053536) |
Who Oregano Oil 1:3 Is For
- Adults who want to reach for oregano oil at the first sign of a cold or flu
- People who find full-strength oregano oil too intense and prefer a gentler dilution
- Anyone looking for a certified organic oregano oil with a stated carvacrol content
- People who want an alcohol-free liquid — it's oregano oil in olive oil
- Those who want a vegan product made in Canada
Who this product is NOT for:
- Anyone who is pregnant or breastfeeding — the label says do not use
- People allergic or sensitive to herbs in the Lamiaceae (mint) family
- Anyone who needs a stronger concentration — the 1:1 Oreganum Plus is the higher-strength option
Vitamart's Take
Oregano oil is famously strong, and the 1:3 dilution is St. Francis's answer for people who want the benefits without the full intensity. One part certified organic oregano oil (min. 72% carvacrol) to three parts organic extra virgin olive oil makes it easier to take, and a few drops in water, juice or milk with food is all it takes. The small 15 mL bottle is easy to keep on hand through cold and flu season.
How Oregano Oil 1:3 Compares
1:3 vs. 1:1 Oreganum Plus
The 1:1 Oreganum Plus is the higher-concentration St. Francis oregano oil. The 1:3 blend is regular strength — more olive oil, so it's milder on the palate and suits people new to oregano oil.
Liquid drops vs. Congestion Aid softgels
St. Francis Congestion Aid (formerly Oreganum Plus softgels) is a softgel for nasal congestion and excess mucus. The 1:3 liquid lets you adjust the number of drops.
Oregano oil vs. echinacea
Echinacea formulas like St. Francis EchinAce Original are another traditional choice for colds. Some people keep both on hand for cold and flu season.
What Is Oregano Oil?
- Oregano oil is the essential oil distilled from the leaves of the oregano plant, Origanum vulgare
- Oregano is a member of the Lamiaceae (mint) family
- Its main active compounds are carvacrol and thymol; this oil contains a minimum of 72% carvacrol
- Pure oregano oil is very strong, so it's diluted in a carrier oil — here, organic extra virgin olive oil
- A 1:3 ratio means one part oregano oil to three parts olive oil, so oregano oil is 25% of the blend
How To Use
- Adults: take 4–6 drops 3–4 times daily in a little water, juice or milk
- Take with food
- Take a few hours before or after taking supplements containing iron, zinc, calcium or copper
- Do not use if you are pregnant or breastfeeding, or if you are allergic to herbs in the Lamiaceae family
- Discontinue use if you experience gastrointestinal upset
Ingredients
| Certified organic essential oil of oregano (Origanum vulgare, leaf; contains thymol and min. 72% carvacrol) | 25% (1:3) |
Non-medicinal ingredients: certified organic extra virgin olive oil.
Frequently Asked Questions
➕ What does 1:3 mean?
➕ How much carvacrol does it contain?
➕ How do I take it?
➕ Can I take it with my minerals?
➕ Who should not take it?
➕ Does it contain alcohol?
Pairs Well With
- St. Francis EchinAce Original
- St. Francis Virafect
- St. Francis Stop It Cold Throat Spray
- Cough, Cold & Flu
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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 4-6 St. Francis Oregano Oil 1:3 drops 3-4 times daily in a little water, juice, or milk. Take with food. Take a few hours before or after taking supplements containing iron, zinc, calcium, or copper.
Nutrition Facts / Valeur nutritive
| Medicinal Ingredient | Amount |
| Certified Organic Essential Oil of Oregano (Origanum vulgare, leaf, contains thymol and min. 72% carvacrol) | 25% (1:3) |
Additional Ingredients
Warnings