Koi Research Labs

Koi Research Labs LLC, operating under the brand Koi Peptides, is a United States-based supplier of high-purity research peptides and reference compounds intended strictly for laboratory and in-vitro research. Founded in 2022, the company provides a catalog of synthetic peptides, including GHK-Cu, BPC-157, TB-500, and KPV, as well as multi-peptide formulations like the Glow and Klow Peptide Stacks. Koi Research Labs emphasizes quality control and transparency, verifying every batch using reverse-phase HPLC for purity, mass spectrometry for identity, and LAL testing for endotoxins. Each product is shipped with a lot-specific Certificate of Analysis (COA) accessible via a public online library. The company operates fulfillment centers in both the United States and Canada to serve academic, institutional, and pharmaceutical researchers.