Short answer
Shilajit is a mineral-rich resin that seeps from rocks in high mountains. Ayurveda has used it for centuries as a rasayana, a tonic for strength and recovery. A few small human studies are encouraging, but the research is still early. The biggest real-world risk is unpurified shilajit, which can carry heavy metals.
What you'll learn
- Where shilajit comes from and what is in it
- How Ayurveda has traditionally used it
- What the small human studies found, and what they did not
- Why purification matters more than the brand
- Who should speak to a doctor first
Shilajit is probably the most searched Ayurvedic name among Indian men. It is also one of the most misunderstood. Let us separate what is known from what is sold.
What it is
Shilajit is a sticky, tar-like resin that slowly oozes out of rock layers in mountain ranges such as the Himalayas, mostly in summer. It forms over a very long time as plant matter breaks down between the rocks.
It is rich in fulvic acid and contains dozens of minerals in small amounts. That mineral mix is a big part of why it has been valued for so long.
How Ayurveda has used it
In classical Ayurveda, shilajit is described as a rasayana, a rejuvenating substance meant to support strength, stamina and recovery, especially in men and in older age.
It was never meant to be eaten raw. Classical texts describe shodhana, a purification process, before use. Purified shilajit is often called shuddha shilajit.
What modern research says, honestly
A small number of human studies exist. One frequently cited trial gave purified shilajit to healthy men aged 45 to 55 for 90 days and reported higher testosterone levels compared with a placebo group. Other small studies have looked at fatigue and sperm quality.
These are encouraging, but they are small studies, often in narrow groups of men. They do not prove that shilajit will work for any one person, and they are not a reason to self-treat a health problem that may have another cause, such as diabetes or blood pressure.
Who should be careful
Raw or poorly processed shilajit can contain heavy metals such as lead, and fungal contamination. This is the single biggest safety issue.
Men with high uric acid or gout, kidney or heart conditions, those on regular medicines, and anyone with an iron-related condition should speak to a doctor first. It is not advised in pregnancy or for children.
If you are thinking of trying it
Look for purified shilajit from a licensed manufacturer that shows a batch number and a test for heavy metals. Be wary of very cheap resin and of any seller promising instant or guaranteed results.
And remember that if you are taking shilajit because something feels wrong, such as low energy or weak erections, the more useful first step is finding out why. That is what a consultation is for.
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Is shilajit safe to take every day? +
Purified shilajit from a licensed maker is generally taken in small daily amounts in Ayurveda. Raw or unpurified shilajit can contain heavy metals and should not be taken. If you have a medical condition or take regular medicines, speak to a doctor first.
Does shilajit increase testosterone? +
One small 90-day study in healthy middle-aged men reported higher testosterone with purified shilajit. That is encouraging but not proof that it will do the same for everyone. Low testosterone can also have causes that need a proper check.
How do I know if shilajit is pure? +
Buy from a licensed manufacturer that prints a batch number and can show a heavy-metal test. Very cheap resin with no testing is the main risk.
Who should not take shilajit? +
People with gout or high uric acid, kidney or heart conditions, iron-related conditions, pregnant women and children should avoid it unless a doctor advises otherwise.
How long does shilajit take to work? +
Ayurveda treats it as a slow tonic taken over weeks to months, not a quick fix. Anything sold as working within hours is a warning sign.
The bottom line
Shilajit has a long history and some early research behind it. It is not a miracle and it is not risk-free. Purity matters more than the brand name, and the real problem behind your symptoms matters more than either.
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Take the free 2-minute quiz →Sources & further reading
PubMed: shilajit and testosterone in healthy menPubMed: shilajit research
Ministry of AYUSH, Government of India
A note on this article. This content is for general education only and is not a substitute for professional medical advice, diagnosis, or treatment. It does not claim to cure, treat, or guarantee results for any condition, and it does not recommend any product. Herbs can interact with medicines and are not right for everyone. Always consult a qualified healthcare practitioner before starting any herb or supplement.
Dr. Madhu Sudan
Ayurvedic Sexologist · BAMS
Dr. Madhu Sudan is an Ayurvedic doctor (BAMS) working in men's sexual health for more than fourteen years, and a member of the Indian Association for Sexology. He sees patients privately at his clinics in Kalkaji, New Delhi and Sector 52, Gurugram, and online.