Research reference
Peptides, explained without the hype.
Clear summaries of what each peptide is, what the research actually shows, and where the evidence runs out.
Browse Peptide A-Z Explore by categoryFeatured references
Performance & Recovery
BPC-157
A synthetic 15-amino-acid peptide derived from a protein found in gastric juice, studied almost entirely in laboratory and animal models of tissue injury and repair.
Anti-Aging & Longevity
GHK-Cu
A naturally occurring three-amino-acid peptide that binds copper. It is best known as a cosmetic skin-care ingredient and has been studied in wound-healing and skin-remodeling research.
Weight Loss & Metabolic
Tirzepatide
An FDA-approved once-weekly injection that activates two gut-hormone receptors (GIP and GLP-1), used for type 2 diabetes and chronic weight management.
Cognitive
Semax
A synthetic seven-amino-acid peptide derived from a fragment of the hormone ACTH, developed in Russia and studied for brain protection and cognition.
