✓ Purity · passBatch · ASTR-33874Shop-provided sample
TB-500 × Astra Peptides — Lab Test, November 2025
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
99.87%
✓ 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
7 data points
Purity
99.87%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
10.25 mg
Qty match
102% of labeled · +2%
0label125%
Batch / Lot
ASTR-33874
Container
White Lyophilized Powder
Tested by
Horizon AnalyticalView 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 TB-500 from astrapeptides.com, performed by Horizon Analytical on November 10, 2025. Reported purity: 99.87%. Net content: 10.25 mg against 10 mg labeled (102% of label). Batch ASTR-33874. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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