Shilajit Benefits: What the Research Actually Says
Energy, stamina, testosterone, healthy ageing: which Shilajit benefits are backed by human studies, which are promising, and which are just marketing.
Key takeaways
- The best human evidence is for reduced fatigue during exercise and for male hormone and sperm health, from small trials of 8–12 weeks.
- Antioxidant, anti-inflammatory and brain-protective effects are consistent in lab and animal studies but not yet proven in people.
- A trial in postmenopausal women found purified Shilajit helped preserve bone density over 48 weeks.
- Benefits come from daily use over weeks, not from a single dose.
- Shilajit supports health; it does not cure or treat any disease.
Research supports a handful of Shilajit (salajeet) benefits, mostly from small human trials: less muscle fatigue at 500 mg a day, higher testosterone in men aged 45 to 55, better sperm counts in men with low counts, and slower bone loss after menopause. Claims about memory and blood sugar rest on lab and animal studies so far.
Search for Shilajit benefits and you will find lists of 20, 30 or 50 of them. Most are copied from each other and few say where the claim comes from. This article does the opposite: for each benefit we tell you what kind of evidence exists, how strong it is, and what it means for you. All of it assumes clean, purified resin, which is why we publish our heavy-metal lab reports.
New to Shilajit? Start with the complete guide, then come back here.
How to read the evidence
Not all studies are equal. In order of strength:
- Human clinical trials, ideally randomised and placebo-controlled. These tell you what happens in people.
- Animal studies, which show a possible effect but often use doses or conditions that do not translate to humans.
- Lab (cell) studies, which show a mechanism, not an outcome.
- Traditional use, centuries of experience that point researchers in the right direction but cannot prove an effect.
Shilajit has evidence at every level, but the human trials so far are small. Keep that in mind as you read.
1. Energy and less fatigue
This is the benefit people mention most, and it has the best support. In a 2019 trial, active men who took purified Shilajit for eight weeks kept more of their muscle strength after a fatiguing exercise test than men taking a placebo, and showed lower levels of a marker of connective tissue breakdown.
Researchers think two components are responsible: fulvic acid, which may help nutrients reach cells, and dibenzo-alpha-pyrones, which appear to support the mitochondria, the parts of cells that turn food into energy. Animal studies of chronic fatigue point the same way.
What it means: steady daily energy, not a caffeine-style jolt. Read more in Shilajit for energy and stamina. The science behind it is in Shilajit and energy: ATP and fatigue, and the compounds involved in DBPs and DCPs.
2. Testosterone and male fertility
Two human trials stand out. In 2016, healthy men aged 45 to 55 who took 250 mg of purified Shilajit twice a day for 90 days had significantly higher total and free testosterone than the placebo group. An earlier study in men with low sperm counts found improvements in sperm count and motility after 90 days.
These are encouraging but small studies. They suggest Shilajit can support normal male hormone levels; they do not show it treats infertility or replaces medical care.
3. Bone health after menopause
A 2022 randomised trial followed postmenopausal women with low bone density for 48 weeks. Those taking purified Shilajit lost less bone density than those on placebo, and markers of oxidative stress and inflammation were lower. It is one of the longest Shilajit trials to date and one of the few focused on women. See Shilajit for women. A second trial, on fracture healing, is covered in Shilajit for bones.
4. Antioxidant and anti-inflammatory effects
Lab and animal studies consistently show that Shilajit and fulvic acid neutralise free radicals and reduce markers of inflammation. This is likely part of why it was traditionally used as a rasayana, a tonic for healthy ageing. Human data are still limited to markers measured in the trials above. More in fulvic acid in Shilajit.
5. Brain health and memory
Researchers have looked at whether fulvic acid can stop tau protein from clumping, a process involved in Alzheimer’s disease. Lab results are interesting and were summarised in a 2012 review, but there are no solid human trials yet. Treat claims that Shilajit “improves memory” as unproven. Read Shilajit for brain health and focus.
6. Absorption of nutrients
Fulvic acid is a natural carrier molecule: it binds minerals and may help move them into cells. This is the basis for the traditional practice of taking Shilajit with other herbs to “boost” them. The idea is plausible but has not been measured well in people.
Claims to be careful with
You will see Shilajit promoted as a cure for diabetes, high blood pressure, arthritis and more. There is no good human evidence for any of these, and people with these conditions should never replace medication with a supplement. If you take medicine for blood sugar or blood pressure, ask your doctor before trying Shilajit, as some animal studies suggest it may lower both. For anemia in particular, see Shilajit and anemia; for side effects (in Roman Urdu), salajeet ke nuksan.
How to get the benefits
- Use purified, lab-tested resin.
- Take 300–500 mg a day (a pea-sized piece), dissolved in a warm drink.
- Take it daily for at least 8 weeks, the length of most studies.
- Combine it with sleep, food and activity: it supports a healthy routine, it does not replace one.
Our dosage and timing guide explains exactly how.
The bottom line
Shilajit’s best-supported benefits are steadier energy, better recovery from fatigue and support for male hormone health, with promising early results for bone health in women. Everything else is plausible but not yet proven. That is still a good reason to try a high-quality resin, as long as your expectations are realistic.
New to Shilajit? Start with the complete guide to Himalayan Shilajit.
Frequently asked questions
What is the main benefit of Shilajit?
The most consistent reports, from both users and small studies, are more steady energy and less fatigue. Researchers link this to fulvic acid and dibenzo-alpha-pyrones, which appear to support how cells produce energy.
Does Shilajit increase testosterone?
One 90-day trial in healthy men aged 45 to 55 found that 250 mg of purified Shilajit twice a day raised total testosterone compared with placebo. It is a promising but small result and should not be treated as a replacement for medical treatment.
Can women take Shilajit?
Yes. Women have taken part in Shilajit studies, including a trial on bone density after menopause. Women who are pregnant or breastfeeding should avoid it unless a doctor advises otherwise.
How long before I see benefits?
Most studies measured effects after 8 to 12 weeks of daily use. Many people notice more energy sooner, but plan on at least a month before judging.
Research & references
This article is based on the published research below. Each link opens the original paper or its PubMed record, so you can read it yourself.
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63 active men, 8 weeks: 500 mg a day helped keep muscle strength during a fatigue test compared with placebo; 250 mg a day did not.
DOI 10.1186/s12970-019-0270-2 PubMed Free full text
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Clinical evaluation of purified Shilajit on testosterone levels in healthy volunteers
Healthy men aged 45–55, 250 mg twice a day for 90 days: total and free testosterone rose compared with placebo.
DOI 10.1111/and.12482 PubMed
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Clinical evaluation of spermatogenic activity of processed Shilajit in oligospermia
28 men with low sperm count, 100 mg twice a day for 90 days: sperm count and motility improved; liver and kidney tests stayed normal. No placebo group.
DOI 10.1111/j.1439-0272.2009.00956.x PubMed
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60 postmenopausal women, 48 weeks: bone density fell less with 250 or 500 mg a day than with placebo, with lower markers of inflammation.
DOI 10.1016/j.phymed.2022.154334 PubMed
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Healthy women, 14 weeks: 250 mg twice a day improved skin blood flow and switched on genes for small blood vessels. No side effects reported.
DOI 10.1080/07315724.2018.1564088 PubMed Free full text
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35 trained men, 8 weeks: 500 and 1,000 mg a day raised a blood marker of collagen production; placebo did not.
DOI 10.1080/19390211.2022.2157522 PubMed
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The human skeletal muscle transcriptome in response to oral Shilajit supplementation
Overweight adults, 250 mg twice a day for 8 weeks: genes for muscle repair and elasticity were switched on; blood sugar and cholesterol did not change.
DOI 10.1089/jmf.2016.0010 PubMed Free full text
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160 patients after shin-bone fracture surgery: the bone healed in 129 days with shilajit (momiai) versus 153 days with placebo, with no extra side effects.
DOI 10.1089/acm.2019.0453 PubMed
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One of the first studies on resin rather than extract: 25 men, 500 mg a day for 28 days, with better strength and less fatigue and normal safety tests. Small, no placebo group, run by the maker.
DOI 10.7759/cureus.102372 PubMed Free full text
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Do "testosterone boosters" really increase serum total testosterone? A systematic review
Reviewed 52 studies of 27 "testosterone boosters": most do not work, but purified shilajit was rated possibly effective for men with age-related low testosterone.
DOI 10.1038/s41443-023-00763-9 PubMed
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Shilajit: a natural phytocomplex with potential procognitive activity
In the lab, fulvic acid from shilajit blocks tau protein clumping, a process linked to Alzheimer's. Clinical trials are still needed.
DOI 10.1155/2012/674142 PubMed Free full text
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In rats with induced chronic fatigue, shilajit protected the mitochondria (the cell's energy factories) and reduced fatigue behaviour.
DOI 10.1016/j.jep.2012.06.002 PubMed
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Safety and efficacy of shilajit (mumie, moomiyo)
Safety is well documented in animal and human studies; fulvic acid and dibenzo-alpha-pyrones are the likely active compounds. Calls for more well-controlled human trials.
DOI 10.1002/ptr.5018 PubMed
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Review on shilajit used in traditional Indian medicine
Long traditional use, but the authors judge most claimed effects (antioxidant, immune) as not yet proven by good studies.
DOI 10.1016/j.jep.2011.04.033 PubMed