Independent test result
TB500 (TB4)
by BioLongevity Labs· batch 5-3-45937
99.91 %
measured purity(HPLC)· October 30, 2025
- HPLC purity
- 99.91
- Net peptide content
- 5.4
How this batch compares
This batch measured 99.91%, 0.16 pts above BioLongevity Labs's average of 99.75% for this peptide over 7 batches, and 0.64 pts above the all-vendor average of 99.27% across 92 COAs from 25 vendors.
74.5% 100.0%
This batch 99.91% Vendor avg (7 batches) 99.75% Peptide avg (92 COAs) 99.27%
Where to buy
Product pages for this peptide at BioLongevity Labs
From the same lot
Other tests in lot 5-3-45937
Same batch, independently tested. Cross-confirm the purity claim.