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Unverified50% confidenceOpinionExact time

Huberman mentioned Tongkat Ali at 200–600 mg/day, which raises free testosterone by lowering sex hormone-binding globulin, requires no cycling, and after 8–12 weeks blood testing is recommended for evaluation.

1
Sources
50%
Confidence
Long-term
Relevance
10/22/2026
First Seen

Sources

Huberman's Rational Supplement Guide: A Five-Layer Health Framework and Scientific Decision-Making
youtubeAndrew Huberman10/22/2026

Related Entities

Andrew HubermanpersonTongkat Aliconcept性激素结合球蛋白concept

Related Claims

UnverifiedHuberman noted that Phytogea agrestis (an ashwagandha-type plant) at about 600 mg per day has led some people to report increases in libido, sperm production, and testosterone levels, but that high doses may be toxic to testicular cells, and recommended a cyclical strategy of 8 weeks on plus 2 weeks off.67% similar

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