For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

TB-500 (TB-4)

by BioLongevity Labs· batch cmojb7jxd01c9kirx7ctwo66v

99.63 %

measured purity(HPLC)· June 19, 2025

HPLC purity
99.63
Net peptide content
5.34

How this batch compares

This batch measured 99.63%, 0.12 pts below BioLongevity Labs's average of 99.75% for this peptide over 7 batches, and 0.36 pts above the all-vendor average of 99.27% across 92 COAs from 25 vendors.

74.5% 100.0%
This batch 99.63% Vendor avg (7 batches) 99.75% Peptide avg (92 COAs) 99.27%
Where to buy

Product pages for this peptide at BioLongevity Labs