Oleuropein (6%)

A powerful antioxidant from olive leaves that supports cardiovascular and immune health.

Also known as: Olive Leaf Extract

other Names
Olive Leaf Extract
primary Benefits
Cardiovascular support, antioxidant, anti-inflammatory, immune support
common Dose
500-1000 mg of extract daily
best Form
Standardized extract in capsules
timing
With meals
safety Rating
Generally safe and well-tolerated

Overview

Oleuropein is the most prominent polyphenol found in olive leaves and is responsible for many of the health benefits associated with olive leaf extract. It is a potent antioxidant and anti-inflammatory compound. Standardized extracts, such as one containing 6% oleuropein, ensure a consistent and therapeutic dose for supporting cardiovascular health, managing blood pressure, and bolstering the immune system.

Key Benefits

Supports Cardiovascular Health

Oleuropein has been shown to help lower blood pressure and reduce LDL (bad) cholesterol levels, both of which are key factors in heart disease.

Potent Antioxidant Activity

It effectively neutralizes harmful free radicals, protecting cells from oxidative damage.

Anti-Inflammatory Effects

Oleuropein can help reduce inflammation throughout the body, which is linked to many chronic diseases.

Enhances Immune Response

Olive leaf extract has demonstrated antimicrobial properties against a variety of viruses and bacteria.

Dosage & How to Take

Dosage is typically based on the oleuropein content. For a 6% standardized extract, a common dose is 500-1000 mg per day.

PurposeDoseNotes
Blood Pressure Support500 mg twice dailyStandardized extract providing at least 50mg of oleuropein per dose.
General Antioxidant Support500 mg once dailyCan be taken for long-term health maintenance.
Immune Support (Acute)500-1000 mg, 2-3 times dailyFor short-term use during illness.

Best Time to Take

Best taken with meals to minimize potential stomach upset.

With or Without Food

Recommended to be taken with food.

Forms & Bioavailability

FormAbsorptionBest ForNotes
Capsules/TabletsGoodAccurate dosingLook for extracts standardized to a specific percentage of oleuropein.
Liquid ExtractGoodFlexible dosing and faster absorptionMay have a strong, bitter taste.

Side Effects & Safety

Common

  • Stomach discomfort (if taken on an empty stomach)

Rare

  • Headache
  • Dizziness
  • Jarisch-Herxheimer reaction (flu-like symptoms from microbial die-off)

Contraindications

  • Individuals with low blood pressure should use with caution.

Interactions

Blood Pressure MedicationsModerate

Olive leaf extract can lower blood pressure and may amplify the effect of antihypertensive drugs.

Diabetes Medications / InsulinModerate

It may lower blood sugar levels, potentially increasing the risk of hypoglycemia.

Blood Thinners (e.g., Warfarin)Mild

May have a mild blood-thinning effect, use with caution.

Scientific Research

2010Scientia Pharmaceutica

Oleuropein in Olive and its Pharmacological Effects

Oleuropein exhibits a wide range of pharmacological properties, including antioxidant, anti-inflammatory, anti-cancer, and cardioprotective effects.

2013PLoS One

Olive Leaf Extract as a Hypoglycemic Agent in Both Human Diabetic Subjects and in Rats

Supplementation with olive leaf extract was found to significantly lower HbA1c and fasting plasma insulin levels in people with type 2 diabetes.

Food Sources

Olives (especially unripe ones)
Olive leaves

Products With Oleuropein (6%)

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.