Independent test result
TB500 (TB4)
by Skye Peptides· batch TB25-10-004
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Purity not on file· tested January 20, 2026
How this batch compares
This batch has no measured purity on file. Across 3 tested batches of TB500 (TB4) from Skye Peptides, measured purity averages 99.57%. Across all vendors, TB500 (TB4) averages 99.27% over 92 COAs.
74.5% 100.0%
Vendor avg (3 batches) 99.57% Peptide avg (92 COAs) 99.27%
Where to buy
Product pages for this peptide at Skye Peptides
From the same lot
Other tests in lot TB25-10-004
Same batch, independently tested. Cross-confirm the purity claim.