Shilajit: The Natural ‘Viagra’ Supplement Taking Over Men’s Health
If you frequent bodybuilding or men’s health spaces online, you’ve likely seen shilajit mentioned as a natural way to boost testosterone, increase fertility, and enhance sexual performance. But what exactly is this strange tar-like substance, and should you really be taking it?
What is Shilajit?

Shilajit, also known as mumijo or mumie, has been used for centuries in Ayurvedic medicine for its claimed anti-aging and healing properties. It’s a sticky, resin-like substance that comes from the rocks of mountain ranges like the Himalayas.
“Its origins are a bit of a mystery. Some researchers believe it’s a byproduct of plant decomposition, while others have theorized that it comes from animal excrement or the rocks themselves,” says Christiane Matey, R.D.N., founder of MINT Nutrition.
What experts do know is that shilajit contains dozens of minerals and nutrients like antioxidants, anti-inflammatory compounds called fulvic acids, humic acids, potassium, magnesium, zinc, selenium, calcium, proteins, and fatty acids.
Potential Benefits of Shilajit
While large, high-quality studies are lacking, some preliminary research suggests shilajit may offer certain benefits:
Increased Testosterone and Fertility
In a 2016 study, men who took 250mg of shilajit daily for 90 days experienced significant increases in testosterone and DHEA levels – hormones key for muscle growth and sexual function.
Better Exercise Performance
A 2019 study found that taking shilajit for 8 weeks improved exercise performance, including faster sprint times and higher power outputs.
Cognitive Benefits
Research from 2021 showed adults with mild to moderate Alzheimer’s experienced improved mental function after supplementing with shilajit and B vitamins for 24 weeks.
Potential Risks of Shilajit
Though shilajit is generally well-tolerated based on limited studies, there are some potential downsides to be aware of:
Heavy Metal Contamination
“Researchers have found potentially toxic amounts of heavy metals like mercury, lead, and chromium in some shilajit supplements,” warns Kim Yawitz, R.D. from CrossFit 26.
Unregulated & Untested Products
Since shilajit is not regulated by the FDA, many supplements may not contain pure, safe forms of the ingredient. “Unless a product has been third-party tested, there’s no guarantee you’re buying real shilajit,” says Yawitz.
Potential Side Effects
Potential side effects of shilajit include impurities causing toxicity, allergic reactions, blood sugar dysregulation, GI issues like nausea and cramps, and interactions with certain medications or conditions.
“Individuals with hemochromatosis, thalassemia, or sickle cell anemia should avoid taking shilajit,” advises Matey.
Potential Benefit | Level of Evidence |
---|---|
Increased Testosterone | Limited |
Improved Exercise Performance | Limited |
Enhanced Cognitive Function | Limited |
Risks (Heavy Metals, Side Effects, Lack of Regulation) | Moderate |
Should You Take Shilajit?
Most experts conclude there is insufficient scientific evidence to recommend shilajit supplementation, especially considering the risks:
- “We’d need quite a few more high-quality studies to know for sure if there’s any benefit,” says Yawitz. “Most current research has very small sample sizes.”
- There are no established safe dosages, as 250-500mg has only been tested short-term.
- Harvesting shilajit is extremely dangerous and difficult, increasing contamination risks.
If you do decide to try shilajit, Matey recommends choosing a medical-grade, third-party tested product that has been screened for contaminants and heavy metals.
But for most men looking to boost testosterone, fertility, exercise performance or brain health naturally, experts advise focusing on:
- A balanced, nutrient-dense diet
- Getting enough high-quality sleep
- Managing stress through meditation, yoga or other practices
- Incorporating strength training and other exercises you enjoy
Until larger, more robust studies are conducted, the evidence is too limited to consider shilajit a proven “natural Viagra” or performance-enhancing supplement for men.
The Bottom Line on Shilajit for Men
Shilajit is an ancient compound from Ayurvedic medicine that has shown potential benefits for male health in limited, small studies. However, its safety and efficacy have not been conclusively established. More research is needed before shilajit can be recommended as a testosterone booster, fertility aid, or cognitive enhancer.
For now, most experts advise caution with shilajit due to lack of regulation, risk of contamination, potential side effects, and lack of proven dosing guidelines. Focus on a healthy lifestyle first, and consult your doctor before trying any new supplement, especially one with such limited research.
Perri is a Brooklyn-based freelance health writer and certified personal trainer.
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