Lab Testing
Lab-Tested Shilajit You Can Trust
Shilajit quality depends on purity, sourcing and independent testing. At 5 Rivers Nutrition, every batch of our shilajit capsules and shilajit resin is submitted to Eurofins Analytical Services for fulvic acid and heavy metal screening. For a full overview of what to watch for, see our shilajit side effects & safety guide.
Lab-Tested Shilajit Capsules & Resin UK
At 5 Rivers Nutrition, we believe customers should be able to review real lab data before they buy. The submitted Shilajit Gold+ samples below were analysed by Eurofins for fulvic acid and heavy metal screening.
For UK customers shopping for lab-tested shilajit capsules or lab-tested shilajit resin, this page gives a clearer view of the reported results behind the products.
Eurofins Lab Results
Comparison table for the submitted capsule and resin samples.
| Test | Capsules / 12-in-1 Advanced Complex | Resin / 6-in-1 Resin Complex | Unit |
|---|---|---|---|
| Fulvic acid | 79.22 | 76.74 | g/100 g |
| Arsenic (As) | 0.94 | 0.84 | mg/kg |
| Cadmium (Cd) | 0.02 | 0.02 | mg/kg |
| Lead (Pb) | 0.63 | 0.66 | mg/kg |
| Mercury (Hg) | < 0.01 | < 0.01 | mg/kg |
Eurofins report codes: AR-258-2025-20051564-01 and AR-258-2025-20051565-01.
What This Means for Customers
When you buy from 5 Rivers Nutrition, you are not relying on broad marketing claims alone. These Eurofins reports show that the submitted samples were analysed for key markers many customers want to review before purchasing shilajit.
The reported fulvic acid result was 79.22 g/100 g for the 12-in-1 Advanced Complex and 76.74 g/100 g for the 6-in-1 Resin Complex.
Both samples were also screened for arsenic, cadmium, lead and mercury, giving customers transparent heavy metal data rather than vague purity claims.
In both reports, mercury was listed as < 0.01 mg/kg, meaning it was reported below the laboratory's stated limit of quantification for that test.
Frequently Asked Questions
Why does shilajit need lab testing?
Shilajit is a natural mineral resin that can contain heavy metals and contaminants if unpurified. Independent lab testing confirms purity and fulvic acid content, helping customers make informed choices. Avoid untested raw shilajit.
What should I check before buying shilajit?
Look for purified shilajit with an independent certificate of analysis (COA), a stated fulvic acid percentage, heavy metal screening results, clear dosage guidance, and customer reviews. Avoid products with no lab data.
Are 5 Rivers Nutrition products lab-tested?
Yes. Our shilajit capsules and shilajit resin are submitted to Eurofins Analytical Services for fulvic acid and heavy metal analysis. The COAs are shown on this page.
What was the fulvic acid result?
The reported fulvic acid result was 79.22 g/100 g for the 12-in-1 Advanced Complex (capsules) and 76.74 g/100 g for the 6-in-1 Resin Complex.
Were heavy metals screened?
Yes. Both reports include results for arsenic, cadmium, lead and mercury.
What does < 0.01 mg/kg mean?
It means the mercury result was reported as below the laboratory's quantification limit for that test.
Note: The Eurofins reports state "Sampling: Not sampled by Eurofins". The figures above relate to the submitted samples listed on the Certificates of Analysis.
Not sure which product is right for you? Read our guide on which Shilajit to choose, or see how to take Shilajit for dosage and usage guidance.