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evidence · mechanism · dose
Supplements/Compound

Shilajit

aka Mineral pitch

Himalayan mineral exudate rich in fulvic acid, studied for testosterone and fatigue.

Testosterone SupportEnergy ProductionMen's HealthHealthy Aging

Overview

Himalayan mineral exudate rich in fulvic acid, studied for testosterone and fatigue.

Natural sources
  • Himalayan rock exudate
Common forms
  • Purified shilajit
  • Standardized fulvic acid

Forms & variants of Shilajit

Different chemical forms of Shilajit behave differently. Browse each form's mechanism, bioavailability, and best-use context.

Purified fulvic
Shilajit (Fulvic-Standardized)

Himalayan mineral pitch with fulvic acids studied for testosterone.

Mechanism of action

Fulvic and humic acids; mitochondrial CoQ10 enhancement; may modulate spermatogenesis.

Pathways
  • · Mitochondrial support
  • · Spermatogenesis

Effects on the body

Increases
Total testosterone (mild)
Supports
Mitochondrial function

Organ system effects

Reproductive

Improves sperm count and motility.

Evidence-based benefits

Increases sperm count/motility in oligospermia

Moderate evidence

Modest increase in total T

Limited evidence

Potential side effects

Common
    Rare
    • · GI upset
    Serious
    • · Heavy metal contamination if unpurified

    Drug interactions

    No notable interactions reported.

    Safety & non-supplemental interactions

    Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

    Avoid with these conditions
    • ·Hormone-sensitive cancers (breast, prostate, ovarian, uterine)
    Avoid / monitor with these medications
    • ·Hormonal contraceptives, HRT, tamoxifen, aromatase inhibitors

    Supplement interactions

    Pairs well with

    None listed.

    Avoid combining with
    • Hemochromatosis
      Iron content.

    Dosing & bioavailability

    Typical dose
    250–500 mg/d purified

    Where to buy

    Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

    Compound
    Shilajit
    Amazon
    Wide selection · fast shipping
    Compound
    Shilajit
    iHerb
    Global delivery · curated brands
    Compound
    Shilajit
    Thorne
    Practitioner-grade · NSF tested

    Scientific evidence (9)

    RCTAndrologia · 2016

    Clinical evaluation of purified shilajit on testosterone levels in healthy volunteers

    Pandit S, et al.

    90-day RCT of 250 mg purified shilajit twice daily in healthy males 45–55 y.

    Key findings

    Significant increase in total and free testosterone vs placebo.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Shilajit — Increases sperm count/motility in oligospermia

    Live PubMed search

    Live results for "Shilajit Increases sperm count/motility in oligospermia" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Shilajit and "Increases sperm count/motility in oligospermia". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Shilajit — Modest increase in total T

    Live PubMed search

    Live results for "Shilajit Modest increase in total T" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Shilajit and "Modest increase in total T". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Shilajit — randomized controlled trial

    Live PubMed search

    Live results for "Shilajit randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Shilajit and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Shilajit — meta-analysis

    Live PubMed search

    Live results for "Shilajit meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Shilajit and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Shilajit — pharmacokinetics

    Live PubMed search

    Live results for "Shilajit pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Shilajit and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Shilajit — safety adverse events

    Live PubMed search

    Live results for "Shilajit safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Shilajit and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Shilajit — dose response

    Live PubMed search

    Live results for "Shilajit dose response" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Shilajit and "dose response". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewGoogle Scholar · 1970

    Google Scholar: Shilajit — clinical evidence

    Live Scholar search

    Cross-database citation index for Shilajit as it relates to "clinical evidence".

    Key findings

    Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

    Open study
    Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.