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GLP-1 peptides: what the term means

Updated: 2026-10-29

Research-use-only peptides are not for human use and are not approved. Retatrutide is an investigational drug and is not FDA-approved. There is no legal version for sale; any online offer is unapproved. Not medical advice.

GLP-1 peptides are medications made of short chains of amino acids, such as semaglutide and tirzepatide. Some websites sell "research use only" peptides; those are not for human use and are not approved.

Research-use-only peptides are not for human use and are not approved. We list no prices, no affiliates and no links to sellers.

FAQ

What are GLP-1 peptides?

They are peptide medications that act on the GLP-1 receptor, such as semaglutide and tirzepatide. The brand versions are FDA-approved; compounded versions are not.

Can I use research-use-only GLP-1 peptides?

No. Research-use-only peptides are not for human use and are not approved.

Related

Not medical advice. Compounded drugs are not FDA-approved and are not the same as brand-name drugs. Talk to a licensed clinician.