Gentleman Peptides supplies independently-verified peptides and reference compounds for laboratory research. Every lot ships with its own Certificate of Analysis.
Four product lines, one standard of testing. Browse by format or jump straight to what you need.
On Gentleman Peptides Every batch we ship has been independently verified by third-party labs for identity, purity, and stability. The COA arrives in your inbox before the package arrives at your door.
Raw peptides synthesized by FDA-registered partners. Solid-phase synthesis, >98% crude purity.
Each lot independently re-tested by HPLC-UV and LC-MS at a separate accredited lab.
COA generated with sequence, MW, retention time, mass, purity, and endotoxin. Lot-traceable.
Lyophilized vials sealed under argon, tracked overnight to your door.
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