Testosterone
Nutrients connected to Testosterone
A link means the body needs the nutrient for this, or that low intake is linked to it. It does not mean extra supplements help if your intake is already adequate; each link shows how strong the evidence is.
- Tongkat aliPreliminary or mixed
Total testosterone rose in pooled trials (mainly men with low levels), with high variation and publication bias; healthy men showed no clear rise.
- SpearmintPreliminary or mixed
Free testosterone fell in two small tea studies in women with hirsutism; total testosterone fell in one trial but not in the 5-day study.
- Spearmint TeaPreliminary or mixed
Free testosterone fell in both small tea trials in women with hirsutism or PCOS; total testosterone fell in the 30-day trial only.
- ShilajitPreliminary or mixed
One 90-day trial in healthy men found higher total and free testosterone than placebo with purified shilajit; a review rated one extract possibly effective for late-onset low testosterone.
- AshwagandhaPreliminary or mixed
Limited evidence that 2 to 4 months of use may raise testosterone in men (NCCIH); also why people with hormone-sensitive prostate cancer should avoid it.
- Fadogia agrestisLab or animal research only
Raised blood testosterone in rats in one 2005 study. No human study was found, so effect in men is unknown.
- Cuscuta seed (tu si zi)Lab or animal research only
In mice the seed raised testosterone and androgen receptor expression; no human data read.
- Calotropis (arka)Lab or animal research only
Rats given the latex or leaf extract had lower testosterone; no human data.
- Moroccan Mint TeaPreliminary or mixed
In small trials of spearmint tea alone, free testosterone fell in women with excess hair growth. This is a lab marker, not shown to be a benefit, and was not tested in the blend.
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