Shilajit
Research Reliability -
A mineral-rich resin from Himalayan rock layers, traditionally used in Ayurvedic medicine for vitality and hormonal support.
Appetite
Mood
Sleep
Shilajit
Description
Shilajit is a tar-like resin formed over centuries from decomposed plant matter compressed in high-altitude rock, rich in fulvic acid and over 80 trace minerals. Its fulvic acid content is the primary research focus, studied for enhancing nutrient absorption, supporting mitochondrial ATP production, and acting as an antioxidant carrier molecule. Small human trials have shown modest testosterone increases in healthy men, which, combined with its traditional reputation as a vitality tonic, has made it a popular addition to male hormonal-support stacks. Purity varies enormously between vendors — heavy metal contamination is a documented risk, so third-party testing matters more here than with most supplements.
Effects
First 2 weeks
subtle
Weeks 2–4
energy and drive may steady
Ongoing
trace-mineral and vitality support
How it Feels
Gentle and gradual; over a few weeks some notice steadier energy and drive. Its mineral-rich makeup means source purity is critical, since low-quality shilajit can carry heavy metals. Buy only tested, reputable products.
Usage
Entry Dose
250mg
Standard Dose
300–500mg
Max Dose
1000mg
Onset
2–4 weeks
Combinations
Pairs well with
Synergistic
Ashwagandha — complementary adaptogenic and hormonal support
CoQ10 — fulvic acid's mitochondrial support pairs with CoQ10's electron transport role
Avoid combining
Contraindicated
Hemochromatosis (iron overload) — shilajit's mineral content includes iron
Unverified, untested sources — heavy metal contamination is a documented risk in low-quality shilajit
Pregnancy — contraindicated
Biomarkers to Track
Subjective
(Daily)
Energy and stamina (1–10)
Libido and vitality
Exercise recovery
Objective
(Quarterly)
Total and free testosterone
Ferritin and iron panel (given mineral content)
Heavy metal panel (for the product, before first use)
Safe only if properly purified. Raw or cheap shilajit can carry heavy metals.
Pregnant women, people with hemochromatosis (it contains iron), and anyone without a tested product.
Buying unpurified or unverified shilajit, and ignoring the source entirely.
Preliminary (limited / small human data)
Trials are small; quality and purity of shilajit products vary considerably by source, which matters given known heavy-metal contamination risk in unpurified shilajit.
Pandit S et al. (2016). Andrologia, 48(5), 570-575. RCT (purified shilajit and testosterone in healthy volunteers). PMID: 26395129.