Nutrient Database

Tongkat Ali

herbal

Approved

General information about nutrients. No diagnosis, no medical advice. If you take medication, are pregnant or have a medical condition, talk to your doctor before taking supplements.

MorningNot before sleepFasting safe

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Overview

Southeast Asian herb taken as an extract.

Interactions

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Tongkat ali and zinc

Tongkat ali (Eurycoma longifolia) is studied for its effect on the SHBG binding of testosterone. Zinc contributes to the maintenance of normal testosterone levels in the blood.

Expert consensus: Moderate

Standardized hot-water extract preferred.