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Shilajit products with a public COA from a named independent laboratory AND confirmed numeric heavy metal results. The strictest testing standard in the ShilajitDB database.
13 products, ranked · How this list works ↓ · How we grade → · Sold in the UK →
This list applies the strictest criteria in the database: a publicly accessible Certificate of Analysis from a named independent laboratory, with actual numeric values for lead, arsenic, mercury, and cadmium — not a pass/fail stamp, not a summary certificate, and not an in-house lab. Fewer than 15% of products reviewed meet all three criteria simultaneously.
The distinction between 'third-party tested' and genuinely third-party tested matters. Brands that do not name their laboratory cannot have their testing claim independently verified. Brands that show only pass/fail results rather than specific values cannot be evaluated against regulatory thresholds such as USP 232 or California Proposition 65. The products here show the actual numbers — you can verify them yourself.
What does 'third-party tested' actually mean for shilajit?
It means a laboratory independent of and unaffiliated with the brand performed the testing — not an in-house lab, and not a lab that only issues a summary certificate. To make this list, the report must name the testing laboratory and show actual numeric values for lead, arsenic, mercury, and cadmium, not just a pass/fail stamp. Many brands use 'third-party tested' loosely to describe testing that doesn't meet this bar.
How can I verify a shilajit COA is genuine?
Check three things: the laboratory is named (not just described as 'an independent lab'), the report shows numeric ppm or mg/kg values for each heavy metal rather than a pass/fail checkmark, and the batch or lot number on the COA matches what's printed on the product you actually received. If a brand won't provide a COA meeting all three, or the COA covers a different batch than your product, treat the testing claim as unverified.
What heavy metal levels are considered safe in shilajit?
The most commonly cited reference points are USP <232> elemental impurity limits and California Proposition 65 thresholds, though neither was written specifically for shilajit. Reputable COAs report actual concentrations for lead, arsenic, mercury, and cadmium so you can compare them against these thresholds yourself, rather than relying on a brand's own pass/fail summary.
Why do so few shilajit brands publish real third-party test results?
Fewer than 15% of the products we've reviewed meet the full standard: a public COA, from a named independent lab, with numeric values for all four primary heavy metals. Independent testing costs money, and shilajit sourced from unregulated or high-altitude collection sites can carry meaningful contamination risk, so many brands rely on marketing language instead of verifiable lab data.