About Peptides in Lab

Peptides in Lab is an independent, educational resource for laboratory researchers who work with research-grade peptides. We compare suppliers on the evidence they publish and explain the chemistry researchers use at the bench.

What we do

• Review research peptide suppliers on third-party certificates of analysis, pricing and policies.
• Flag suppliers that market products for human use, so researchers can avoid them.
• Publish lab tools, such as our peptide lab calculator for stock solutions, molarity and dilutions.
• Explain peptide categories and the preclinical research areas in which compounds are studied.

What we don't do

We do not sell peptides. We do not provide dosing, injection or treatment information, and we do not promote any product for human or veterinary use. We do not list compounds named in 2026 FDA warning letters to peptide sellers.

Who we are for

Researchers, lab managers and procurement staff in the United States, United Kingdom and European Union.