Independent test result
TB-500 (TB4)
by Peptide Partners· batch TB20251012
—
Purity not on file· tested November 12, 2025
New to reading a COA? See how to read a peptide COA →
How this batch compares
This batch has no measured purity on file. Across 6 tested batches of TB-500 (TB4) from Peptide Partners, measured purity averages 99.77%. Across all vendors, TB-500 (TB4) averages 99.34% over 182 COAs.
74.5% 100.0%
Vendor avg (6 batches) 99.77% Peptide avg (182 COAs) 99.34%
Compare pricing
See TB-500 (TB4) pricing across 40 verified vendors
Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.
Keep exploring