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

Independent test result

Thymosin Beta-4

by Simple Peptide· batch TB15-01092026-J

99.18 %

measured purity(HPLC)· January 12, 2026

HPLC purity
99.178
Net peptide content
18.26

How this batch compares

This batch measured 99.18%, 0.29 pts below Simple Peptide's average of 99.47% for this peptide over 12 batches, and 0.09 pts below the all-vendor average of 99.27% across 92 COAs from 25 vendors.

74.5% 100.0%
This batch 99.18% Vendor avg (12 batches) 99.47% Peptide avg (92 COAs) 99.27%
Where to buy

Product pages for this peptide at Simple Peptide

From the same lot

Other tests in lot TB15-01092026-J

Same batch, independently tested. Cross-confirm the purity claim.