Oregano Leaf Extract

Oregano Leaf Extract is a Botanical supplement available in 1 form.

Not all forms of Oregano Leaf Extract are equal. The form you choose determines how much Oregano Leaf Extract actually reaches your tissues, and the difference between the best and worst forms can be substantial. This 10:1 oregano leaf extract concentrates carvacrol and thymol, the primary phenolic compounds responsible for oregano's documented antimicrobial and antioxidant activities. Research supports concentrated oregano extract for promoting healthy gut microbiome balance, respiratory defense, and antioxidant activity.

Oregano (Origanum vulgare) Leaf Extract 10:1 Preferred (Preferred Form) has a bioavailability rating of good (S2). Typical dose range: not yet documented in our database.

Oregano oil 10:1 leaf extract provides concentrated carvacrol and thymol — phenolic monoterpenes with well-documented antimicrobial properties. Research supports its use for gut microbial balance, immune function, and respiratory health. The 10:1 concentration delivers clinically meaningful carvacrol levels while the oil matrix supports absorption of these lipophilic compounds.

Carvacrol rapidly absorbed orally; Cmax at 1-2h; distributed to brain, liver, kidneys PMID: 22936082

Carvacrol ~50% bioavailability; lipophilic nature enables rapid passive absorption PMID: 25629806

Carvacrol in blood 30 min post-ingestion; dose-dependent plasma levels PMID: 30423897

Oregano (Origanum vulgare) Leaf Extract 10:1 is classified as Preferred Form by FormulaForge — our top recommendation for Oregano Leaf Extract. It carries a bioavailability rating of good (S2), meaning more of the active compound reaches your tissues per dose unit compared to lower-rated forms.

When choosing a Oregano Leaf Extract supplement, look for the S1 (best absorption) bioavailability tier on the label. Preferred Forms have the strongest research-backed evidence for efficient absorption.

Other forms may be appropriate depending on individual goals, cost considerations, and your healthcare provider’s guidance. The best form for you depends on your specific health needs.

For Oregano (Origanum vulgare) Leaf Extract 10:1, the typical dosing range is not yet documented in our database. Individual dose requirements vary based on health goals, body weight, and existing nutrient intake.

Side Effects: Specific side effect data for these forms is not yet documented in our database. In general, consult your healthcare provider regarding tolerability at higher doses.

These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before starting or changing a supplement regimen.

The following studies and findings inform FormulaForge classifications for Oregano Leaf Extract:

Carvacrol rapidly absorbed orally; Cmax at 1-2h; distributed to brain, liver, kidneys PMID: 22936082

Carvacrol ~50% bioavailability; lipophilic nature enables rapid passive absorption PMID: 25629806

Carvacrol in blood 30 min post-ingestion; dose-dependent plasma levels PMID: 30423897