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

Independent test result

Semaglutide

by Peptide Partners· batch SPL-2772

99.73 %

measured purity· January 10, 2026

New to reading a COA? See how to read a peptide COA →

How this batch compares

This batch measured 99.73%, 0.10 pts above Peptide Partners's average of 99.63% for this peptide over 6 batches, and 0.08 pts above the all-vendor average of 99.65% across 145 COAs from 27 vendors.

98.9% 100.0%
This batch 99.73% Vendor avg (6 batches) 99.63% Peptide avg (145 COAs) 99.65%
Compare pricing

See Semaglutide pricing across 27 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.