Olive Leaf Extract
herbs
Olive leaf extract is derived from the leaves of the olive tree and contains the polyphenol oleuropein, which possesses antioxidant and antimicrobial properties. It has been traditionally used in Mediterranean cultures and is now studied for its potential cardiovascular, immune-supporting, and anti-inflammatory benefits.
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Benefits
Dosage
Typical Dose
500-1000 mg daily
Upper Limit
2000 mg daily
Timing
With meals for optimal absorption
Forms & Bioavailability
Standardised extract (15-20% oleuropein)
High
Liquid extract
High
Capsules
Moderate to High
Dried leaf powder
Moderate
Side Effects
Interactions
Research Summary
Clinical studies demonstrate that olive leaf extract can modestly reduce blood pressure and improve endothelial function in hypertensive individuals. Research supports its antioxidant capacity and antimicrobial activity against various pathogens. However, most studies remain limited in scope, and further high-quality human trials are needed to establish definitive therapeutic applications.
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The Bottom Line on Olive Leaf Extract
Olive Leaf Extract is well-researched with strong evidence supporting its primary benefits.It is most commonly used for antioxidant support and free radical scavenging and cardiovascular health and blood pressure regulation. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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Goal Guides for Olive Leaf Extract
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