Goal guide
Longevity
Longevity research is exciting and early. Most peptides in this space have animal data or small human studies, so treat bold claims with caution.
Foundations first
No peptide replaces these. They drive most of the results.
Peptides researched for longevity
Ranked from strongest to earliest-stage evidence.
GHRH analog
Sermorelin
A short GHRH fragment with a long research history.
Human clinical trialsThymus-derived peptideThymosin Alpha-1
An immune-signaling peptide approved as a medicine in some countries.
Human clinical trialsCopper-binding tripeptideGHK-Cu
A naturally occurring copper peptide, widely used in topical skincare.
Early human researchSynthetic tetrapeptideEpitalon
A four-amino-acid peptide studied in aging research, largely by one research group.
Mostly animal researchMitochondrial-derived peptideMOTS-c
A peptide encoded in mitochondrial DNA, studied for its role in metabolism.
Mostly animal researchEducational content, not medical advice. Talk to a licensed provider before starting anything.