Shilajit and Testosterone: What the Science Says

In short: Yes — a double-blind, placebo-controlled clinical trial found significant increases in total testosterone, free testosterone, and DHEA-S in healthy men aged 45–55 after 90 days of 500mg purified Shilajit daily. This is one of the strongest pieces of clinical evidence for any natural testosterone-supporting supplement.

The Clinical Study

The landmark study by Pandit et al. (2016), published in Andrologia, was a randomised, double-blind, placebo-controlled trial — the gold standard of clinical evidence. 75 healthy male volunteers aged 45–55 were assigned to receive either 250mg of purified Shilajit twice daily (500mg total) or a placebo for 90 consecutive days. Neither participants nor researchers knew who received Shilajit.

What the Results Showed

• ✅ Total testosterone: Significantly higher in the Shilajit group vs. placebo at 90 days
• ✅ Free testosterone: Significantly higher in the Shilajit group vs. placebo
• ✅ DHEA-S: Significantly higher — a key precursor hormone in the testosterone pathway
• ✅ FSH (follicle-stimulating hormone): Maintained within normal range
• ✅ No adverse effects on liver or kidney function markers

How Shilajit Supports Testosterone

Shilajit supports testosterone through two primary mechanisms. First, fulvic acid supports mitochondrial function in Leydig cells — the testicular cells responsible for testosterone production. Better mitochondrial energy production in these cells supports higher testosterone output. Second, Shilajit's adaptogenic properties help regulate cortisol — chronically elevated cortisol suppresses testosterone production, so reducing it creates a more favourable hormonal environment.

Who Benefits Most

The study focused on men aged 45–55 — a demographic experiencing natural age-related testosterone decline. Men in this age group with low-normal testosterone are likely to see the most significant benefits. Younger men with healthy testosterone levels may see more modest effects. For a broader view of benefits for men, see: Shilajit benefits for men.

Frequently Asked Questions

Does Shilajit increase testosterone?

Yes — a double-blind, placebo-controlled trial found significant increases in total and free testosterone after 90 days of 500mg daily purified Shilajit in men aged 45–55.

How long does Shilajit take to boost testosterone?

The clinical study measured results at 90 days. Most users report noticeable hormonal improvements at 8–12 weeks of consistent daily use. See: how long does it take for shilajit to work?

Can women take Shilajit for testosterone?

Women naturally have lower testosterone levels. Shilajit's hormonal effects in women are less studied. Consult a healthcare professional before use. See: Shilajit benefits for women.

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References

Pandit S, et al. Andrologia. 2016. PubMed

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