Olive Leaf Extract
A potent extract from the olive tree leaf with broad-spectrum antimicrobial and antioxidant effects.
Also known as: Olea europaea
Overview
Olive leaf extract contains a high concentration of beneficial compounds, most notably oleuropein. This polyphenol is responsible for the extract's powerful antioxidant, anti-inflammatory, and antimicrobial properties. It has been traditionally used to support the immune system and cardiovascular health.
Key Benefits
Broad-Spectrum Antimicrobial
Demonstrates activity against a wide range of viruses, bacteria, and fungi, helping the body fight off infections.
Powerful Antioxidant
Oleuropein is a potent antioxidant that helps protect the body from oxidative stress and cellular damage.
Supports Cardiovascular Health
May help lower blood pressure and LDL cholesterol levels, contributing to heart health.
Dosage & How to Take
A common dose is 500 mg of an extract standardized to 20% oleuropein, taken 1-2 times daily.
| Purpose | Dose | Notes |
|---|---|---|
| General Immune & Antioxidant Support | 500 mg/day | Provides 100 mg of oleuropein. |
| Acute Immune Challenge | 1000-1500 mg/day | Higher doses can be used for short-term support, in divided doses. |
Best Time to Take
Can be taken anytime, often split into two doses.
With or Without Food
Can be taken with food to minimize potential stomach upset, though not required.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Standardized Extract Capsules | Good | Consistent and reliable dosage | The percentage of oleuropein is the most important factor. |
Side Effects & Safety
Common
- Generally well-tolerated.
Rare
- May cause a 'Herxheimer reaction' (detox symptoms like headache or fatigue) in some individuals when first starting, due to pathogen die-off.
- Stomach irritation in sensitive individuals.
Contraindications
- Caution for those with low blood pressure or on blood pressure medication, as it can have a lowering effect.
Interactions
May enhance the effect of these drugs, potentially causing hypotension.
May lower blood sugar, requiring medication adjustment.
Scientific Research
Olive Leaf Extract as a new treatment for viral infections
Oleuropein and its derivatives exhibit significant antiviral activity against a variety of viruses, making it a promising agent for immune support.
Food Sources
Products With Olive Leaf Extract
2 products in our database contain this ingredient
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.