Evidence review · 6 studies cited
7 Things to Know Before You Try Shilajit Resin
Summary: What shilajit is, what the few human trials tested, what they did not, and how to choose and take a resin.
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It's a resin from mountain rock
Shilajit is a dark, sticky, mineral-rich resin that seeps from mountain rock. It has a long history in Ayurvedic tradition.
A 2014 safety review names fulvic acid and dibenzo-α-pyrones as key compounds, and notes that well-controlled human studies are relatively few.
Safety review · Stohs, Phytother Res 2014
Men 45 to 55: testosterone rose
In a 90-day placebo-controlled trial, healthy men aged 45 to 55 took purified shilajit twice a day.
Total testosterone, free testosterone and DHEAS rose significantly versus placebo, while LH and FSH stayed steady. A purified extract, tested in men only.
Human RCT · Pandit et al., Andrologia 2016
Strength held up better
In an 8-week trial, 63 active men took a lower dose, a higher dose or placebo, then did a hard leg-fatigue test.
Among the stronger half, the higher-dose group lost 8.9% of strength versus 16.0% on placebo. The lower dose matched placebo.
Human RCT · Keller et al., JISSN 2019
Strength lost after fatigue (lower is better)
Keller et al., JISSN 2019. 63 men, 8 weeks, 500 vs 250 mg/day PrimaVie shilajit vs placebo; adjusted mean % decline in MVIC, upper-50th-percentile strength subgroup.
Bone density in women 45 to 65
A 48-week trial followed 60 postmenopausal women with low bone density. They took a shilajit extract at one of two doses, or placebo.
Bone density kept falling on placebo, but the loss was smaller with the extract, more so at the higher dose. One trial, one specific extract.
Human RCT · Pingali & Nutalapati, 2022
Purity matters with resins
Ayurvedic products can carry heavy metals. A JAMA study tested 193 Ayurvedic products bought online: 20.7% contained lead, mercury or arsenic.
So ask any shilajit seller about lab testing for your batch, not just a general claim.
Product testing · Saper et al., JAMA 2008
Ayurvedic products bought online
Saper RB et al. JAMA 2008;300(8):915-923. X-ray fluorescence testing of 193 products bought online in 2005.
The resin form is barely studied
The controlled trials above used purified, standardized extracts in capsules. Resin itself has far less evidence.
The one resin study we found was a 28-day pilot in 25 men with no placebo group. Promising, but not proof.
Literature check · resin: one open-label pilot only
How resin is usually taken
Resin is usually dissolved: a pea-size piece stirred into warm, not boiling, water or tea until no dark lumps remain.
The serving on your own jar's label is the one to use. Labels differ between brands.
Usage guide · Wellness Nest, Oct 2026
Pick the format you will keep
Every trial here tested daily use over weeks or months. A routine you can keep matters more than any single serving.
One option: ShilaSource Himalayan Shilajit Resin, a resin you dissolve in a warm drink. Its pack states 70% Fulvic Acid* and Lab-Tested for Purity*.
Taking medication or managing a health condition? Check with your doctor first.
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Himalayan Resin for a Warm Daily Drink
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- 1.06 oz (30 g) jar of Himalayan shilajit resin, 75 servings as labeled
- 70% Fulvic Acid* · Lab-Tested for Purity* (as printed on the pack)
- Dissolve in warm water or tea, as the label directs
- 90-day money-back guarantee on your first order