How much Olive Leaf Extract should I take daily?

Introduction

Olive Leaf Extract (OLE) is a supplement derived from the leaves of the olive tree, Olea europaea, and is used for various health benefits, including managing hypertension and glucose homeostasis.

Key Insights from Research Papers

Olive Leaf Extract administered at a dose of 500 mg twice daily was found to be effective in reducing systolic and diastolic blood pressures in patients with stage-1 hypertension, comparable to the effects of the antihypertensive drug Captopril.
A daily intake of 500 mg Olive Leaf Extract in tablet form significantly improved glucose homeostasis in adults with type 2 diabetes, as evidenced by lower HbA1c and fasting plasma insulin levels.
Dietary supplementation with Olive Leaf Extract at levels of 1 and 1.5 ml/kg diet improved growth performance, feed conversion ratio, and carcass traits in growing rabbits, suggesting a dose-dependent effect on health parameters.

Conclusion

The research suggests that a daily dose of 500 mg Olive Leaf Extract is effective for managing hypertension and improving glucose homeostasis in humans. Additionally, higher doses, scaled to body weight as seen in animal studies, may have further health benefits. However, the optimal dosage may vary depending on the specific health goals and individual conditions.

How much Olive Leaf Extract should I take daily?

Summary

Introduction

Key Insights from Research Papers

Conclusion

Sources and full results

Olive (Olea europaea) leaf extract effective in patients with stage-1 hypertension: comparison with Captopril.

Olive leaf extract, at 500 mg twice daily, is similarly effective in lowering systolic and diastolic blood pressures in stage-1 hypertension patients as Captopril, with a significant reduction in triglyceride levels.

Olive leaf extract as a hypoglycemic agent in both human diabetic subjects and in rats.

Olive leaf extract, taken orally once daily, improves glucose homeostasis in adults with type 2 diabetes, potentially through reduced starch digestion and absorption.

EFFECT OF DIETARY SUPPLEMENTATION OF OLIVE LEAF EXTRACT ON PRODUCTIVE PERFORMANCE, BLOOD PARAMETERS AND CARCASS TRAITS OF GROWING RABBITS.

Dietary supplementation of olive leaf extract at levels of 1 and 1.5 ml/kg can effectively improve growth performance, carcass traits, and economic feed efficiency in growing rabbits.

The neuroprotective effect of olive leaf extract is related to improved blood-brain barrier permeability and brain edema in rat with experimental focal cerebral ischemia.

Oral olive leaf extract reduces infarct volume, brain edema, and blood-brain barrier permeability, and improves neurological deficit scores after transient middle cerebral artery occlusion in rats.

Zero effect of multiple dosage of olive leaf supplements on urinary biomarkers of oxidative stress in healthy humans.

Dietary supplementation with olive leaf extract did not alter the oxidative status of healthy young adults.

The neuroprotection effect of pretreatment with olive leaf extract on brain lipidomics in rat stroke model.

Olive leaf extract may partially contribute to ischemic tolerance in rats by changing brain lipid levels.

The Effect of Olive Leaf Extract on Upper Respiratory Illness in High School Athletes: A Randomised Control Trial

Olive leaf extract supplementation in high school athletes did not significantly reduce upper respiratory illness incidence but did decrease illness duration, potentially aiding return to play.

Olive leaf extract and its main component oleuropein prevent chronic ultraviolet B radiation-induced skin damage and carcinogenesis in hairless mice.

Olive leaf extract and oleuropein effectively prevent chronic UVB-induced skin damage and carcinogenesis in hairless mice, potentially due to inhibition of VEGF, MMP-2, MMP-9, and MMP-13 expression through reduced COX-2 levels.

Randomized controlled study of the urinary excretion of biophenols following acute and chronic intake of olive leaf supplements

Olive leaf supplements contain oleuropein, a bioavailable biophenol, but its hydrolysis product, hydroxytyrosol, is not detected in urine samples.

Antihypertensive Potential of Combined Extracts of Olive Leaf, Green Coffee Bean and Beetroot: A Randomized, Double-Blind, Placebo-Controlled Crossover Trial

A combination of olive leaf, green coffee bean, and beetroot extracts showed no significant effect on blood pressure or other cardiovascular outcomes in a double-blind, placebo-controlled trial.

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