Independent test result
TB-500 (TB4)
by Peptide Partners· batch SPL-3956
99.78 %
measured purity· May 28, 2026
How this batch compares
This batch measured 99.78%, right at Peptide Partners's average of 99.78% for this peptide over 5 batches, and 0.45 pts above the all-vendor average of 99.33% across 165 COAs from 30 vendors.
74.5% 100.0%
This batch 99.78% Vendor avg (5 batches) 99.78% Peptide avg (165 COAs) 99.33%