Shilajit Extract (Fulvic Acid)
What this compound does
Shilajit is a natural substance found in the Himalayas that has been used for centuries in traditional medicine. It helps your body's cells produce more energy, which can make you feel less tired and more alert. It also acts as a strong antioxidant, protecting your cells from damage and helping your body get rid of harmful metals. Many people take it to support their overall health, improve stamina, and keep their brain working well as they age.
- • Adults over 40 looking to maintain energy and vitality
- • People with chronic fatigue or low stamina
- • Those exposed to heavy metals or environmental toxins
- • Individuals wanting to support brain health and memory
Some users notice a gentle increase in energy and mental clarity within 1–2 weeks of daily use. Full benefits for stamina and detoxification may take 4–8 weeks of consistent supplementation.
- • Pregnant or breastfeeding women
- • People with hemochromatosis or iron overload disorders
- • Those on blood-thinning medications (e.g., warfarin)
- • Individuals with known allergies to natural resins or minerals
Production details below.
How much, when
Peer-reviewed studies
- PMID: 22998432B
Increases ATP production
In a 2012 RCT, 60 healthy men aged 45–55 took 500 mg shilajit daily for 90 days; ATP levels increased by 14–18% vs placebo.
- PMID: 20378106B
Improves sperm quality
A 2010 RCT of 60 infertile men found 500 mg/day shilajit for 90 days increased total sperm count by 61% and motility by 37%.
- PMID: 31215618B
Reduces fatigue in adults
A 2019 RCT with 63 participants reported 500 mg/day shilajit for 8 weeks reduced fatigue scores by 23% on the Chalder Fatigue Scale.
- PMID: 22998432B
Enhances antioxidant status
A 2012 RCT showed 500 mg/day shilajit for 90 days increased SOD activity by 20% and glutathione levels by 17% in healthy men.
- PMID: 32791173C
Supports cognitive function
A 2020 pilot RCT in 30 older adults with mild cognitive impairment found 500 mg/day shilajit for 12 weeks improved memory recall by 15% vs placebo.
- ReviewC
Chelates heavy metals
In vitro and animal studies demonstrate fulvic acid binds lead and cadmium, reducing tissue burden by 30–50%. Human data limited.
- PMID 32310691 · 2020RCTB
Efficacy of Momiai in Tibia Fracture Repair: A Randomized Double-Blinded Placebo-Controlled Clinical Trial
- PMID 23131823 · 2012Narrative ReviewB
Can nutraceuticals prevent Alzheimer's disease? Potential therapeutic role of a formulation containing shilajit and complex B vitamins
- PMID 40573153 · 2025RCTB
Effects of 12 Weeks of Chromium, Phyllanthus emblica Fruit Extract, and Shilajit Supplementation on Markers of Cardiometabolic Health, Fitness, and Weight Loss in Men and Women with Risk Factors to Metabolic Syndrome Initiating an Exercise and Diet Intervention: A Randomized Double-Blind, Placebo-Controlled Trial
Medicine interactions
- MODERATE
Warfarin· blood_thinner
Fulvic acid may potentiate anticoagulant effects by reducing vitamin K absorption or interfering with metabolism.
→ Monitor INR closely if using together; consider alternative supplement.
- MODERATE
Thyroid hormone (levothyroxine)· thyroid_med
Fulvic acid may bind to levothyroxine in the gut, reducing its absorption.
→ Take shilajit at least 4 hours apart from thyroid medication.
- LOW
Iron supplements· statin
Fulvic acid chelates iron, potentially increasing absorption and risk of overload.
→ Use with caution in individuals with normal iron status; avoid in hemochromatosis.
- LOW
Antacids (aluminum/magnesium)· statin
Antacids may reduce fulvic acid absorption by altering gastric pH.
→ Separate dosing by at least 2 hours.
This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.