Your guide to peptides,
grounded in evidence.
Explore 183 peptides with honest evidence ratings, safety profiles, and research-backed content. Built for the curious, not the credulous.
183 peptides, each graded across 5 evidence tiers and organized across 9 health goals, with every claim linked to PubMed and research gaps flagged honestly.
Explore by goal
What are you looking to support? Start with your health objective and discover relevant peptides.
Recovery & Repair
Peptides discussed for supporting tissue healing, injury recovery, and physical repair processes.
Sleep & Mood
Peptides explored for their potential effects on sleep quality, stress resilience, and emotional well-being.
Weight Loss
Peptides studied for their effects on appetite, fat metabolism, and sustained weight loss.
Body Composition
Peptides studied for their potential effects on fat metabolism, muscle preservation, and growth hormone optimization.
Cognitive Support
Peptides explored for their potential effects on focus, memory, neuroprotection, and overall brain health.
Longevity & Anti-Aging
Peptides studied for their potential effects on cellular aging, telomere maintenance, and age-related decline.
Skin, Hair & Aesthetics
Peptides explored for skin rejuvenation, hair growth, wound healing, and cosmetic applications.
Gut & Inflammation
Peptides studied for gut health, immune modulation, and inflammatory conditions.
Most popular peptides
The peptides generating the most interest in the community. Each entry is evidence-graded and research-backed.
BPC-157
Gastric Peptide
A synthetic peptide derived from a protective protein found in gastric juice, widely discussed for tissue repair and recovery.
TB-500
Tissue Repair Peptide
A synthetic version of the active region of thymosin beta-4, widely used for tissue repair, wound healing, and recovery from injuries.
CJC-1295
GHRH Analog
A growth hormone-releasing hormone analog that stimulates the pituitary gland to produce more growth hormone.
Ipamorelin
Growth Hormone Secretagogue
A selective growth hormone secretagogue that stimulates GH release without significantly affecting cortisol or prolactin.
Semax
Nootropic Peptide
A synthetic peptide analog of ACTH(4-10) developed in Russia, studied for cognitive enhancement and neuroprotection.
GHK-Cu
Copper Peptide
The most-studied copper peptide in skincare — a naturally occurring tripeptide (GHK, Gly-His-Lys) whose active tissue form is the copper complex GHK-Cu, with extensive evidence for skin remodeling, collagen synthesis, wound healing, and anti-aging.
Evidence, not hype.
Every peptide on this site is graded across five evidence tiers, from Strong (multiple human RCTs) to Limited (mostly mechanistic). We link every claim to PubMed and flag research gaps honestly. Built for the curious, not the credulous.
See our evidence framework