Nootropics Depot sells shilajit built on PrimaVie, a standardised ingredient from Natreon, in capsule and powder form. On the single most important test of a shilajit brand, whether it publishes a current, batch-matched third-party lab certificate covering heavy metals, this is the clearest example in the category. Lot-numbered certificates are published on the product page itself, which is the transparency standard other brands are measured against rather than the exception.
How this assessment was made. Based on the brand’s publicly available lab certificates, disclosures, and independent testing. It is written independently, is not a paid placement, and contains no affiliate links.
Does it publish a lab certificate?
Yes, and in the way that matters most. Nootropics Depot states that every batch is independently tested and that lot-numbered certificates of analysis are published on the product page. That is the detail most brands miss. A certificate is only useful if its lot number matches the jar you receive, and publishing per-batch documents in the open, rather than showing a single representative certificate, is what lets a buyer verify their specific purchase. On the public evidence, this is the strongest testing transparency of any brand we have assessed.
Nootropics Depot states that every batch of its PrimaVie shilajit is independently tested and that lot-numbered certificates of analysis are published on the product page. [Nootropics Depot product page] Moderate evidence
Sourcing and form
The product is built on PrimaVie, a patented, water-purified shilajit from Natreon that is standardised rather than sold as raw resin. This is the important distinction. Because native shilajit varies enormously from crevice to crevice, a jar of unstandardised resin tells a buyer little about actual content. A standardised ingredient sets defined levels of the actives, which is what makes a dose meaningful. PrimaVie is specified to fulvic-acid equivalents with a defined share of dibenzo-alpha-pyrones, holds United States GRAS status, and is the ingredient behind most of the published human trials on shilajit. Nootropics Depot sells it as 250 milligram capsules and a 30 gram powder, so the format is precise and easy to dose, trading a little of resin’s raw potency for consistency and verifiability.
PrimaVie from Natreon is a patented, water-purified shilajit standardised to fulvic-acid equivalents with a defined share of dibenzo-alpha-pyrones, holds United States GRAS status, and is the dominant standardised ingredient in published human trials. [Examine] Strong evidence
The foundational purification standard sets purified shilajit at high fulvic-acid content with a minimum level of oxygenated dibenzo-alpha-pyrones, substantially free of humic acid and polymeric humins. [Ghosal, US Patent 6,869,612 B2] Strong evidence
What independent testing shows
The PrimaVie shilajit sold by Nootropics Depot was one of eight curated products in the ConsumerLab September 2024 round, which found lead, cadmium, arsenic and mercury below levels of concern at a single daily dose. That external result sits alongside the brand’s own per-batch certificates rather than replacing them, and the two together are what make this product’s safety case unusually well documented. The context is a category where contamination is genuinely a problem. A 2025 peer-reviewed study found thallium in several commercial shilajit supplements and noted that their packaging disclosed nothing about composition, and reviews describe raw, unpurified shilajit as unsafe to consume because it can carry lead, arsenic, cadmium and mercury.
The PrimaVie shilajit sold by Nootropics Depot was among eight curated products independently tested by ConsumerLab in September 2024, a round that found heavy metals below levels of concern at one daily dose. [ConsumerLab 2024] Moderate evidence
Raw, unpurified shilajit can carry lead, arsenic, cadmium and mercury and is described in the literature as unsafe to consume until purified. [Carrasco-Gallardo 2012] Strong evidence
The same honest limits apply as everywhere. The ConsumerLab set was curated, not random, so it speaks to these products rather than the category, and the full figures are paywalled. Standardisation and testing address safety and consistency, but the human evidence base for shilajit’s benefits remains small, and much of it is tied to this one ingredient supplier, so buyers should keep efficacy expectations modest.
Who it suits and open questions
This product suits a buyer who values verifiable testing and precise dosing over the ritual of resin, and anyone who wants the ingredient that the research literature actually studied. There are few open questions on transparency here, which is rare. The remaining honest caveat is not about the brand but about the field: the body of human efficacy evidence is thin, so a well-tested product is a reason to trust what is in the capsule, not a promise of a particular result.
- Strengths: per-batch lot-numbered certificates published openly, standardised PrimaVie ingredient, cleared in the ConsumerLab 2024 round.
- Open items: shilajit’s overall human evidence base is small and supplier-linked, independent of this brand’s quality.
To learn how to read the certificates this brand publishes, see our buying guide. To compare it with the other brands assessed on the same public evidence, see the brand reviews hub.

References
- Nootropics Depot. PrimaVie purified shilajit capsules. nootropicsdepot.com
- Examine.com. Shilajit overview. examine.com
- Ghosal S. Purified shilajit composition. US Patent 6,869,612 B2, 2005. patents.google.com
- ConsumerLab.com. Shilajit supplements tested, 26 September 2024. consumerlab.com
- Carrasco-Gallardo C, et al. Shilajit: a natural phytocomplex with potential procognitive activity. Int J Alzheimers Dis. 2012. PMC3296184

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