Tongkat Ali
AdaptogenAlso known as: Eurycoma longifolia · Longjack · Malaysian ginseng · Pasak bumi
🟠Weak Evidence 11 expert mentions 4 studies referenced
A Southeast Asian herb studied for testosterone support, libido, and stress modulation. Standardized extracts (Physta) show modest but consistent testosterone-boosting effects in multiple trials.
Common forms:standardized extract (Physta)root powder
Evidence comparisons not yet run for these claims.
Expert Mentions
All 11 mentionsAndrew Huberman
Stanford School of Medicine / Huberman Lab· PhD, Neuroscience
"Quality control is a real issue in this category, so sourcing from reputable companies with third-party testing matters."
Extracted claim
Quality control is a real issue in the tongkat ali category; sourcing from reputable companies with third-party testing matters.
Not yet assessedHigh extraction confidence
Andrew Huberman
Stanford School of Medicine / Huberman Lab· PhD, Neuroscience
"look for products standardized to eurycomanone content"
Extracted claim
Huberman recommends looking for tongkat ali products standardized to eurycomanone content.
standardized extract📍 standardized to eurycomanone content
Not yet assessedHigh extraction confidence