Shilajit: The Himalayan Mountain Resin That Ancient Healers Swore By

High in the Himalayas, above 3,000 metres where the air thins and the rock faces are ancient, a dark, tar-like substance seeps slowly from crevices during the warmer months. Local communities in Ladakh and Gilgit-Baltistan have known about it for millennia. They called it shilajit — a Sanskrit word that translates roughly as "destroyer of weakness" or "conqueror of mountains." It is one of Ayurveda's most revered substances, and in the past two decades, it has attracted serious scientific attention.

What Shilajit Actually Is

Shilajit is not a mineral in the conventional sense, nor is it a plant extract. It is the result of centuries-long decomposition of organic plant matter — primarily mosses, lichens, and plant microbiota — trapped between rock layers under immense geological pressure. Over hundreds of years, this organic material transforms into a dense, mineral-rich resinous substance that slowly exudes from rock faces in the summer heat.

The composition of authentic shilajit is remarkable. Laboratory analyses have identified more than 85 minerals in ionic form, along with a complex mixture of organic acids, humic substances, and most notably, fulvic acid — the compound that researchers now believe underlies many of shilajit's observed effects.

Fulvic Acid: The Active Compound

Fulvic acid is a naturally occurring compound found in soil and certain organic substances. In the context of shilajit, it makes up roughly 15–20% of the dry weight of pure resin. Research into fulvic acid has grown substantially over the past decade, and the findings are promising. Fulvic acid appears to act as a potent carrier molecule — it can penetrate cell membranes and facilitate the delivery of minerals and nutrients directly into cells, dramatically improving bioavailability.

This may explain why shilajit is traditionally considered a "yogavahi" in Ayurveda — a substance that enhances the effect of whatever is taken alongside it. When combined with other herbs or nutrients, shilajit's fulvic acid content may amplify their absorption and efficacy.

The Ayurvedic Record

References to shilajit appear throughout classical Ayurvedic literature. The Charaka Samhita, one of the foundational texts of Ayurvedic medicine compiled around 600 BCE, describes shilajit as a rasayana — a class of substances believed to promote longevity, vitality, and rejuvenation. It was prescribed for a remarkable range of conditions: fatigue, urinary disorders, diabetes, skin diseases, kidney stones, and general debility.

The classical preparation involved purifying raw shilajit (which in its natural state can contain heavy metals and mycotoxins) through a series of washings and sun-drying processes. Modern processing replicates this purification through filtration and laboratory testing, ensuring that the heavy metal content falls within safe parameters.

What Modern Research Says

Several well-designed human studies have examined shilajit's effects, particularly on testosterone levels and physical performance. A 2015 randomised, double-blind, placebo-controlled trial published in Andrologia found that men who took 250mg of purified shilajit twice daily for 90 days showed significantly higher levels of total testosterone, free testosterone, and DHEA-S compared to the placebo group.

A separate study found improvements in muscle strength and recovery times in resistance-trained men supplementing with shilajit. The proposed mechanism involves mitochondrial function — shilajit appears to support the electron transport chain, potentially improving cellular energy production.

How to Identify Pure Shilajit

The market for shilajit is unfortunately flooded with inferior or outright fraudulent products. Pure shilajit should:

• Dissolve cleanly in warm water: A pea-sized piece dropped into warm (not boiling) water should dissolve fully within a few minutes, leaving the water a golden-brown colour with no sediment or graininess.
• Soften in the hand but remain solid at room temperature: Pure shilajit resin is bitumen-like — it should soften and become pliable when held in a warm palm, but not melt to liquid.
• Have a distinct, pungent aroma: Genuine shilajit has a strong, slightly bitter, tar-like smell. Products with no smell or a chemically sweet smell are suspect.
• Not dissolve in alcohol: Unlike water, alcohol does not dissolve shilajit. If a product dissolves readily in alcohol, it contains fillers.

Proper Use and Dosage

The standard dosage in research studies ranges from 250mg to 500mg daily — approximately a pea-sized portion of resin dissolved in warm water, milk, or herbal tea. Traditional practice often combines it with warm milk and a small amount of honey.

Shilajit is best taken in the morning or early afternoon. Avoid taking it late at night, as its energising effects can disrupt sleep in some individuals. Cycling (eight weeks on, two weeks off) is a common practice, though there is limited research specifically supporting this approach.

Certain groups should exercise caution or consult a healthcare provider before use: individuals with elevated uric acid levels (shilajit can increase uric acid production), those on blood-thinning medications, pregnant or breastfeeding women, and anyone with iron overload conditions. Raw, unprocessed shilajit should never be consumed — purification is essential to remove heavy metals and contaminants.

How MOON Sources Its Shilajit

MOON's shilajit is sourced from high-altitude collection sites in the Ladakh region, harvested by local collectors who have worked these routes for generations. Each batch undergoes third-party laboratory testing for heavy metals (lead, arsenic, mercury, cadmium), microbial contamination, and fulvic acid content. We publish our certificates of analysis on request because transparency in a category this prone to adulteration is not optional — it is the baseline.