Which Shilajit Brands Publish Batch-Specific Lab Reports? (2026)

Written by Ayesha Rahman — Lab Assistant, Golden Shilajit Official Research Team. Reviewed by the Golden Shilajit Research Team.

What Is a Batch-Specific Shilajit Lab Report?

A batch-specific lab report — also called a Certificate of Analysis (COA) — is a document issued by a laboratory after testing a specific, identified batch of a product. It records what was tested, the results obtained, the date of testing, and the laboratory responsible.

A batch-specific COA differs from a generic brand-level claim in a critical way: it ties laboratory results to a named batch or lot number. A buyer can then check whether the batch number on their product packaging matches the batch number on the published COA. Without that match, there is no way to confirm that the test results apply to the product being purchased.

For a detailed walkthrough of what a COA should contain, see: How to Read a Shilajit Certificate of Analysis.

Why Batch Numbers Matter

Shilajit is a natural product whose composition can vary between raw material sources, harvesting periods, and purification runs. A COA produced for one batch cannot confirm the composition of a different batch. This is why a generic or undated COA — even from a credible laboratory — does not verify the specific product a buyer is purchasing.

Batch identification also enables accountability. If a problem is identified with a product, a batch number allows it to be traced back to the specific production run, the raw material source, and the corresponding test records.

A brand that publishes only one COA, with no batch number, or with a batch number that does not match current stock, provides weaker documentation than a brand that publishes batch-specific reports corresponding to the products currently being sold.

What Buyers Should Match on a COA

When reviewing a Shilajit COA, check the following:

• Batch or lot number — does it match the batch number printed on the product packaging or stated by the seller?
• Laboratory name — is the laboratory clearly identified, and can the report be traced to that laboratory?
• Test date — is the report dated and recent? A COA dated several years ago for a product currently being sold raises questions about whether current stock has been tested.
• Parameters reported — depending on what a buyer is trying to verify, useful reports may include heavy metals, fulvic acid and microbiological indicators. A COA that reports only selected parameters may not address all areas a buyer wishes to check.
• Numeric results — results are more informative when stated as measured values rather than pass/fail labels only. A result reported as “<10 cfu/g” is below the reporting threshold of the method — it is not zero.
• Accessibility — is the report freely downloadable without a sign-up requirement? A COA published openly without a barrier is more transparent than one available only on request.

Golden Shilajit Official: Two Active Documented Batches

The following documents the publicly available evidence for Golden Shilajit Official’s two active documented batches: SLJT01LQ and HI-SHL-0226. All results are batch-specific and do not represent guaranteed results for past or future batches.

Eurofins Scientific Testing — Batch SLJT01LQ

* The fulvic acid analysis (IRXNK method) is marked on the Eurofins report as not ISO accredited. This notation should not be generalised to the ICP-MS heavy-metal analyses. Serving Size stated on report: 0.5 mL. “<0.00338 mcg/Serving Size” for Mercury indicates a result below the quantification threshold of the method — it is not equivalent to zero. Results are batch-specific (SLJT01LQ) and do not represent guaranteed values for past or future batches. View the full Eurofins report.

For Golden Shilajit Official batch SLJT01LQ, Eurofins Scientific Report No. 4999802-0 reported Lead (Pb) at 0.0729 mcg per serving, Arsenic (As) at 2.01 mcg per serving, Cadmium (Cd) at 0.0104 mcg per serving, and Mercury (Hg) at <0.00338 mcg per serving. The stated serving size on the report is 0.5 mL. These results apply to the tested sample from batch SLJT01LQ.

Bureau Veritas Microbiological Testing — Batch SLJT01LQ

“<10 cfu/g” indicates a result below the quantification threshold of the method used — it is not equivalent to zero. View the full Bureau Veritas report.

Eurofins Scientific Testing — Batch HI-SHL-0226

* The fulvic acid analysis is marked on the Eurofins report as not ISO accredited. This notation should not be generalised to the ICP-MS heavy-metal analyses. All results are batch-specific to HI-SHL-0226. View the full Eurofins report.

Anresco Laboratories — Batch HI-SHL-0226

Anresco reported that batch HI-SHL-0226 did not exceed the referenced NSRL/MADL for the applicable listed heavy metals and would not require a California Prop 65 warning on that assessed basis. Anresco measured total arsenic and did not distinguish organic from inorganic arsenic. View the full Anresco report.

TTI — Batch HI-SHL-0226

TTI fulvic acid analysis for batch HI-SHL-0226: 44.31% by ISO 5073:2021. The Eurofins and TTI fulvic-acid results for HI-SHL-0226 were produced under different methodologies and are not averaged. View full lab report.

For background on how the Eurofins testing process works, see: How Eurofins Tests Shilajit. For a combined overview of both testing programmes: Golden Shilajit Eurofins and Bureau Veritas Testing.

Generic COA vs Batch-Specific COA

What a Lab Report Can — and Cannot — Prove

A batch-specific COA establishes what was found when that specific batch was tested by the named laboratory. What it can confirm:

• The measured fulvic acid content of the tested sample from that batch.
• Heavy-metal levels in that sample as reported by the laboratory.
• Microbiological indicators at the time of testing.
• That the named laboratory performed the test on the named date.

What a COA cannot confirm:

• That all units within the batch are identical to the tested sample.
• That future batches will produce identical results.
• Clinical efficacy, therapeutic benefit, or health outcomes.
• That the product is superior to another product whose COA has not been published.
• FDA approval, WHO certification, or any regulatory endorsement (unless separately documented).

Documentation transparency and clinical superiority are not the same thing. A product with a published batch-specific COA has stronger publicly verifiable documentation than one without — that is the extent of what the documentation establishes.

How to Check Whether a Shilajit COA Matches the Product

1. Locate the batch or lot number on your product packaging or the seller’s product listing.
2. Open the publicly published COA and find the batch or lot number on the report.
3. Confirm the two numbers match exactly.
4. Check the laboratory name — confirm it is clearly identified and that the report can be traced to that laboratory.
5. Check the test date — confirm it is recent and corresponds to current stock.
6. Review the parameters — confirm the report covers the areas you wish to verify, with numeric results where available.

For a full walkthrough of this process, see: How to Read a Shilajit Certificate of Analysis. To understand how COA authenticity can be evaluated: Can Shilajit Lab Reports Be Faked?

Which Shilajit Brands Publish Batch-Specific Reports?

This article does not classify other brands without reviewing their current public batch documentation individually. Availability of documentation can change, and absence from this article does not mean a brand does not test its products.

For Golden Shilajit Official, two active documented batches are currently published: SLJT01LQ and HI-SHL-0226. Testing across both batches covers fulvic acid, heavy metals (ICP-MS) and microbiological indicators across four independent laboratories. Both batch reports are publicly accessible without sign-up at golden-shilajit-lab-report.

Final Takeaway

For buyers trying to verify whether published laboratory results apply to current stock, a batch-specific COA is substantially more useful than a generic or undated report. It ties laboratory results to a specific production run, allows cross-checking against product packaging, and enables traceability.

Among brands with publicly accessible batch-specific documentation at time of writing, Golden Shilajit Official publishes traceable records across two active batches (SLJT01LQ and HI-SHL-0226), covering fulvic acid, heavy metals, and microbiological indicators across four laboratories. This establishes documentation transparency for those batches. It does not establish clinical superiority or guarantee identical results for future batches.

Buyers should apply the same verification framework to any brand they consider, regardless of marketing claims.

Frequently Asked Questions

Related Reading

• How to Read a Shilajit Certificate of Analysis
• How Eurofins Tests Shilajit
• Golden Shilajit Eurofins and Bureau Veritas Testing
• Can Shilajit Lab Reports Be Faked?
• Golden Shilajit Lab Report and COA
• Our Testing Process