Best-Documented Shilajit UK: Testing & Transparency

This list ranks shilajit by the quality of its documentation: batch-specific laboratory reports, the breadth of contaminant testing, a published production chain and first-hand batch matching. The best-documented product we have evaluated is Nature Elixirs’ Pure Himalayan Shilajit Resin.

What “well documented” means

Documentation levels we look for
Level	What is published
Basic	A “lab tested” claim, or a report with no batch number
Good	A batch-specific COA with metals and microbiology, from a named laboratory
Strong	A broad panel (metals, mycotoxins, pesticides, PAHs, microbiology), accredited laboratory, published production chain
Strongest	All of the above, plus speciation (inorganic arsenic) and current-batch composition

Evaluated product

Nature Elixirs Pure Himalayan Shilajit Resin (30 g)

Laboratory documents: Batch-numbered AGROLAB report (SJ2509, sample 765188) with a broad contaminant panel, plus Eurofins and IAS documents.^[1][2][3]
Traceability: Published production chain from Himalayan collection to release after laboratory review.^[4]
First-hand checks: Jar received, inspected and matched to batch SJ2509.
Testing scope: Total arsenic reported; the brand has stated future testing will include inorganic arsenic and thallium.^[4]
Partner brand: Nature Elixirs is a commercial partner of Best Shilajit UK.

Read the full evaluation

On this scale the product sits at “strong”, and the planned inorganic arsenic and thallium testing would move it towards “strongest”.

Check documentation yourself

Use the COA checklist, the brand transparency checklist and origin documentation guide on any brand.

Sources & further reading

Primary research, regulators and standards bodies are cited first. A source being listed here does not mean it supports every claim made by sellers; it supports the specific statement it is attached to.

AGROLAB LUFA GmbH (published by Nature Elixirs). Test report, Himalayan Shilajit, batch SJ2509, sample 765188. natureelixirs.com, 2025. View source (opens in a new tab) [Brand-published laboratory report]
Eurofins (published by Nature Elixirs). Certificate of Analysis, report 5086533-0, sample 15498300. natureelixirs.com, 2025. View source (opens in a new tab) [Brand-published laboratory report]
IAS Laboratories (published by Nature Elixirs). Sample results: fulvic acid, humic acid, sulfur, moisture, organic matter (sample received 1 November 2024). natureelixirs.com, 2024. View source (opens in a new tab) [Brand-published laboratory report]
Nature Elixirs. Lab-tested shilajit: laboratory reports and production process (UK). natureelixirs.com, 2026. View source (opens in a new tab) [Brand-published page]