Claims › Testosterone boosters

Does tongkat ali raise testosterone?

Modest signal

A 2022 meta-analysis of 5 randomized trials found total testosterone rose, including in men with low testosterone.

#1 of 12 in 12 Testosterone Boosters, Ranked by What's Actually Been Tested

What the human studies found

The studies (3)

Excerpt from Leisegang et al. · Medicina (Kaunas) · 2022
Leisegang et al. · Medicina (Kaunas) · 2022 · PubMed 36013514 · screenshot via Europe PMC
Excerpt from Leisegang et al. · Medicina (Kaunas) · 2022
Leisegang et al. · Medicina (Kaunas) · 2022 · PubMed 36013514 · screenshot via Europe PMC
Excerpt from Morgado et al. · Int J Impot Res · 2024
Morgado et al. · Int J Impot Res · 2024 · PubMed 37697053 · screenshot via Europe PMC

The anchor source is a 2024 systematic review by a team of urologists (Morgado et al., International Journal of Impotence Research). They looked at 52 studies covering 27 proposed testosterone boosters. Their conclusion: most fail to increase total testosterone.

Fadogia: rats only. Tribulus: no effect. Maca: no effect. Tongkat ali: possibly.Watch all 12, ranked: the film on YouTube · 6:44

If you're worried your testosterone is genuinely low, the test isn't a supplement: it's a blood test, and a conversation with a doctor. This is an investigation of the claims, not a guide to taking them.

Sources checked October 3, 2026 · How we check · Corrections: hello@testedinhumans.com