Shilajit and Testosterone: What the Research Actually Says
Testosterone. For a lot of men, it's the cornerstone of vitality. It affects energy, muscle mass, libido, mood and long-term health. And yet, from around the age of 30, most men go through a gradual but significant drop in testosterone levels.
So it's no surprise that the search for natural ways to support testosterone has never been more popular. Shilajit, the ancient Himalayan mineral resin, has emerged as one of the most scientifically interesting options out there.
But what does the research actually say? Let's look at the evidence honestly, without the hype. Every study we mention is real and linked, so you can read it yourself. If you're ready to try it, start with our lab tested Himalayan shilajit resin.
Why testosterone matters, and why it drops with age
Testosterone is the main male sex hormone, though women produce it too in smaller amounts. In men, it's responsible for:
- Muscle development
- Bone density
- Red blood cell production
- Sperm production
- Sex drive
- Mood regulation
- Cognitive function
After the age of 30, testosterone typically declines by roughly 1% a year. By their 40s and 50s, many men start noticing the effects:
- Lower daily energy
- Reduced muscle tone
- Increased body fat
- Reduced motivation
- Poorer sleep quality
It's a natural process. But that doesn't mean men have to accept the full impact of it.
The evidence: what studies show about shilajit and testosterone
Several peer-reviewed clinical studies have looked at shilajit and testosterone levels in men. Here are the two that matter most.
Study 1: healthy men aged 45 to 55
A double-blind, placebo-controlled study published in the journal Andrologia in 2016 gave healthy men aged 45 to 55 either 250mg of purified shilajit twice a day or a placebo, for 90 days.
Compared with the placebo group, the shilajit group showed significantly better levels of:
- Total testosterone
- Free testosterone
- DHEAS
Study 2: men with low sperm count
Another study, published in Andrologia in 2010, looked at men with oligospermia, which means a low sperm count. 28 men completed 90 days of processed shilajit, 100mg twice a day. Compared with where they started, they showed positive effects on:
- Testosterone levels, up 23.5%
- Total sperm count, up 61.4%
- Sperm motility
The fulvic acid connection
Research into fulvic acid, one of the main bioactive compounds in shilajit, also suggests it plays a role in supporting mitochondrial function. A 2012 study found shilajit restored mitochondrial activity in rats after chronic stress (read the study). Testosterone production in the testes needs a lot of cellular energy, so this connection may help explain shilajit's hormonal support benefits. More on fulvic acid in The Science of Shilajit.
Importantly, shilajit appears to work by supporting and maintaining healthy testosterone levels, rather than dramatically increasing hormones the way pharmaceutical treatments do.
The mechanism: how fulvic acid and minerals support hormonal health
Several biological mechanisms may explain why shilajit supports healthy testosterone levels.
1. Mitochondrial support
Testosterone is made in specialised cells in the testes called Leydig cells. That process needs a lot of cellular energy.
Shilajit's dibenzo-alpha-pyrones (DBPs) and fulvic acid support mitochondrial function, potentially making this energy-hungry process more efficient.
2. Zinc and mineral delivery
Zinc is one of the most important minerals for testosterone production. Shilajit naturally contains bioavailable trace minerals, delivered via fulvic acid, a natural mineral transporter that helps improve absorption.
3. Antioxidant protection
Oxidative stress can impair testosterone production in the testes. Shilajit's antioxidant compounds may help protect testicular cells from damage.
4. Cortisol balance
Shilajit is considered an adaptogen, meaning it helps the body respond to stress. Chronically high cortisol is known to suppress testosterone production.
What shilajit won't do: managing expectations honestly
It's important to be realistic.
Shilajit is not a replacement for medical treatment of hypogonadism or clinically low testosterone.
If you've been diagnosed with a hormonal condition, always speak to your GP or a healthcare professional. The same goes if you take any medication.
What shilajit can do is help support your body's natural hormonal processes and maintain healthy levels as you age.
Many men who take shilajit consistently report:
- Better daily energy
- Improved exercise recovery
- Enhanced focus
- Improved mood
These effects often line up with improved hormonal balance.
Why the quality of your shilajit matters
The studies above used purified, processed shilajit. That's the point. Raw or poorly made shilajit isn't the same thing, and there's a lot of it about.
Before you buy, make sure there's a lab certificate. Ours is tested by Huson and Hardwick (Alex Stewart Agriculture), an ISO 17025 accredited lab in Liverpool. Our February 2026 batch came back at 73.8% fulvic acid and 88.5% total humic substances, with heavy metals within limits and no E. coli, salmonella or pesticides detected. See the Lab Results page or the full certificate (PDF).
Not sure what to look for? How to Spot Fake Shilajit has 7 checks to run first.
Combining shilajit with ashwagandha for hormonal support
For men interested in natural hormonal support, shilajit and ashwagandha is one of the most researched herbal pairings.
Ashwagandha (Withania somnifera) has clinical studies supporting its ability to:
- Reduce cortisol. In a 60 day trial, adults taking ashwagandha root extract had significantly lower cortisol than the placebo group (read the study).
- Support testosterone levels. In a 2019 trial in men aged 40 to 70, ashwagandha was linked to a 14.7% greater rise in testosterone than placebo (read the study).
- Improve stress resilience. The same 60 day trial found significant improvements on every stress scale measured.
When used together:
- Shilajit supports mitochondrial energy and mineral delivery
- Ashwagandha helps regulate the body's stress response
Many users report that the combination produces noticeably stronger benefits than either supplement alone.
The best way to combine them is resin first. Take shilajit resin as your everyday base, then add ashwagandha alongside it. Our resin and ashwagandha bundle puts 60g of resin with our Ashwagandha and Shilajit capsules. Resin is the purest, most concentrated form of shilajit. The capsules are there for the ashwagandha, and they're handy for travel. More on that in Shilajit Resin vs Capsules and Shilajit vs Ashwagandha.
Dosage and timing for best results
The most widely cited clinical studies used:
250mg of purified shilajit taken twice a day
A practical approach for most men:
- Morning: 250mg of shilajit resin dissolved in warm water on an empty stomach
- Evening: a second 250mg dose before dinner
- Consistency: allow 8 to 12 weeks of daily use before judging results
250mg is about half a pea-sized amount. Use a small spoon to scoop it out. For easy ways to take it, see How to Incorporate Shilajit into Your Daily Routine.
How long will a jar last at this dose?
Two 250mg doses a day adds up to 500mg, which is one pea-sized serving. A 30g jar holds about 60 of those, so it lasts roughly two months. To cover a full 12 weeks, you'll want 2 jars. The cost per day for every bundle is in How Long Does a Jar of Shilajit Resin Last?
FAQ
Does shilajit increase testosterone?
Clinical research suggests purified shilajit may help maintain healthy testosterone levels. In a 90 day trial, men aged 45 to 55 taking 250mg twice a day had significantly better total and free testosterone than the placebo group.
How long does shilajit take to work for testosterone?
The main studies ran for 90 days. Allow 8 to 12 weeks of daily use before judging results.
How much shilajit should I take for testosterone?
The most cited studies used 250mg twice a day. Stick to the amount on the label.
Can shilajit replace testosterone treatment?
No. Shilajit isn't a replacement for medical treatment of hypogonadism or clinically low testosterone. Speak to your GP.
Can women take shilajit?
Yes. Women produce testosterone too, in smaller amounts. If you're pregnant or breastfeeding, check with your GP first.
Should I take shilajit resin or capsules?
Resin. It's the purest, most concentrated form of shilajit and the one to use every day. Capsules are handy for travel or if you want a blend like ashwagandha.
Is it OK to take shilajit with ashwagandha?
Yes, it's one of the most researched herbal pairings. If you take any medication, check with your GP first.
Support your performance naturally
If you're looking to support healthy testosterone levels naturally, high-quality shilajit can be an effective part of a long-term wellness routine. Ours is harvested above 16,000ft in the Nepal Himalayas, sun dried and lab tested in Liverpool.