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

Independent test result

TB-500 (TB4)

by Skye Peptides· batch TB25-10-004

99.31 %

measured purity(HPLC)· January 5, 2026

HPLC purity
99.307
Net peptide content
11.79

How this batch compares

This batch measured 99.31%, 0.27 pts below Skye Peptides's average of 99.57% for this peptide over 3 batches, and right at the all-vendor average of 99.27% across 92 COAs from 25 vendors.

74.5% 100.0%
This batch 99.31% Vendor avg (3 batches) 99.57% Peptide avg (92 COAs) 99.27%
Where to buy

Product pages for this peptide at Skye Peptides

From the same lot

Other tests in lot TB25-10-004

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