Peptide guides

Plain-language summaries of the peptides people in Nepal ask about most: what they are, what the research shows, their status with the World Anti-Doping Agency, and the studies you can read yourself.

Approved: A licensed medicine, prescribed by a doctor.
In trials: Being tested in people. Not approved anywhere yet.
Not approved: Mostly animal or lab studies.

BPC-157 Not approved

A lab-made chain of 15 amino acids, based on part of a protein first found in human stomach juice.

TB-500 (thymosin beta-4 fragment) Not approved

A short lab-made piece (7 amino acids, Ac-LKKTETQ) of the natural protein thymosin beta-4. It is not the full protein.

Semaglutide Approved

A GLP-1 receptor agonist: a copy of the gut hormone GLP-1 with a fatty-acid side chain that makes it last about a week.

Tirzepatide Approved

Acts on two gut-hormone receptors: GLP-1 and GIP.

Retatrutide In trials

An experimental drug that acts on three hormone receptors: GLP-1, GIP and glucagon.

GHK-Cu Cosmetic ingredient, not a medicine

A tiny peptide of three amino acids bound to copper, found naturally in blood. First described by Dr Loren Pickart in 1973.