Quality assurance
Independently verified batches
Below are real test reports from independent laboratories — Kovera Labs and Janoshik Analytical — neither of which NextGen Peptides operates or is affiliated with. Each report carries its own access code or verification key: enter it on the lab's own website to confirm the result independently, rather than taking our word — or this page's word — for it.
Verified by Kovera Labs
Each report below confirms purity (RP-HPLC), net content against the labelled quantity, and identity (LC-MS) — the test that confirms the sample is the compound claimed, not just a pure substance in general.
Kovera Labs
BPC-157 (10mg)
Purity (HPLC)99.514%
Net content12.94 mg
Identity (LC-MS)Confirmed ✓
Report #KVR-2026-481CAA
Access codeSP7QAMZ
Verify at koveralabs.com/verify →
Kovera Labs
TB-500 (10mg)
Purity (HPLC)99.366%
Net content11.59 mg
Identity (LC-MS)Confirmed ✓
Report #KVR-2026-9074B4
Access codeKXEKDGS
Verify at koveralabs.com/verify →
Kovera Labs
Melanotan II (10mg)
Purity (HPLC)99.602%
Net content8.34 mg
Identity (LC-MS)Confirmed ✓
Report #KVR-2026-6FA224
Access codeA4GJ0M5
Verify at koveralabs.com/verify →
Kovera Labs
PT-141 (10mg)
Purity (HPLC)99.514%
Net content11.12 mg
Identity (LC-MS)Confirmed ✓
Report #KVR-2026-5E113E
Access code7FQDZFC
Verify at koveralabs.com/verify →
Verified by Janoshik Analytical
Janoshik is an independent testing lab widely used across the research-peptide industry. Each report below carries a unique key you can enter at janoshik.com/verify to pull up the original result.
Janoshik Analytical
GHK-Cu (100mg)
Purity (HPLC)99.532%
GHK content81.15 mg
Copper content15.53 mg
Task #225221
Verification keyRGMKE1Z5WJJA
Verify at janoshik.com/verify →
Being upfront about scope: these 8 products currently carry independently verifiable third-party reports. The rest of our range is still batch-tested and documented — most with the manufacturer's own QC laboratory report (purity, water content and microbiological testing), published in full in our
CoA Library — but not yet backed by an independent third-party lab in the way the products above are. We're working through adding independent verification across more of the range. If a specific batch's independent status matters for your research,
ask us before ordering.
All products are supplied strictly for laboratory and in-vitro research use only. Not for human or veterinary consumption. Kovera Labs and Janoshik Analytical are independent third-party laboratories; NextGen Peptides has no ownership or operational relationship with either.