Peptides, explained simply

What does the research really say?

Look up any peptide to see what people use it for and how much real evidence is behind it.

Browse peptidesSee what each one is used for and how much research exists. Peptide battlesPick two and see which has more evidence behind it. Weight loss medicinesThe approved options, side by side. Free toolsCalculators and live searches. Nothing is saved.

How to read the evidence

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Every peptide gets one of four levels, based on the strongest research that exists.

FDA-approved

Approved as a medicine, backed by large trials.

Human trials

Tested in people, but not approved.

Animal studies only

Only tested in animals so far.

Lab / cell studies only

Only tested in cells or test tubes.

In the news

All news
Regulation · Jul 30, 2026FDA advisers narrowly back easing compounding limits on BPC-157 and TB-500Regulation · Apr 15, 2026FDA removes 12 peptides, including BPC-157, from its Category 2 list, but that does not make them legal to compoundRegulation · Apr 9, 2026Health Canada warns against injecting peptides bought online, naming BPC-157 and TB-500