Trusted by Researchers

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Welcome to Proto Peptide

At Proto Peptide, we’re here to support your pursuit of knowledge. Our focus is simple: to provide dependable, high-quality research materials that meet the demands of serious scientific inquiry. Whether you're advancing a long-term study or starting a new line of investigation, you deserve tools that work as hard as you do.

GLP II (T) 30mg

"We’ve used Proto Peptide products in multiple research projects, and the consistency and quality have been spot on every time. It’s reassuring to have a supplier we can truly count on."
-Andrew Z.

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Reputable Third party testing

Verifiable 3rd Party Testing via Janoshik

GHKCU & TB500 & BPC157 70mg BLEND

GLP II (T) 30mg

GLP III (R) 10mg