✓ Purity · passBatch · 2026-02-27 (Vial 1)Shop-provided sample
Thymosin-Alpha 1 (A1) × Pure Peptides — Lab Test, March 2026
Tested · submitted by @Frank 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.67%
✓ Excellent purity only
COA on file — not portal-verified
This lab doesn't publish a public lookup, so we can't confirm the certificate against the lab's own record. The document was reviewed before publication, but it rests on our review alone.
What portal verification means →Test results
6 data points
Purity
99.67%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
20 mg
Tested qty
19.86 mg
Qty match
99% of labeled · -1%
0label125%
Batch / Lot
2026-02-27 (Vial 1)
Tested by
MZ BiolabsView profile →
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Independent HPLC purity analysis of Thymosin Alpha-1 from purepeptides.bio, performed by MZ Biolabs on March 12, 2026. Reported purity: 99.67%. Net content: 19.86 mg against 20 mg labeled (99% of label). Batch 2026-02-27 (Vial 1). Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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