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

Independent test result

Kisspeptin

by optimasupply.is· batch OS-2026-8274

99.30 %

measured purity· August 28, 2026

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How this batch compares

This batch measured 99.30%, 0.30 pts below the all-vendor average of 99.60% across 69 COAs from 24 vendors.

98.9% 100.0%
This batch 99.30% Peptide avg (69 COAs) 99.60%
Compare pricing

See Kisspeptin pricing across 24 verified vendors

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