How Related Peptides Compare
Grouped by category — jump to the one you're researching, or see everything in one place in the full comparison chart.
Peptide Comparison Chart
All compounds referenced on this site — category, molecular class, mechanism, human trial status, and FDA status — in one reference table.
View the full chart →Weight Loss & Metabolic
Semaglutide vs Tirzepatide vs Retatrutide
How the GLP-1 drug class compares, with mechanism and clinical trial data for all three.
Compare →5-Amino-1MQ vs MOTS-c
An oral small-molecule NNMT inhibitor vs. an injectable mitochondrial-derived peptide.
Compare →Cagrilintide vs Retatrutide
An amylin-receptor agonist vs. a triple GIP/GLP-1/glucagon agonist — two different weight-loss mechanisms.
Compare →GHRH & Growth Hormone
CJC-1295 vs Tesamorelin vs Ipamorelin vs Sermorelin
GHRH-receptor vs. ghrelin-receptor mechanisms, regulatory status, and clinical trial data across all four — start here if you're new to this category.
Compare all four →Or go deeper on one pairing:
CJC-1295 vs Ipamorelin
Two different growth-hormone-axis mechanisms studied together in KYIN's blend.
Compare →Ipamorelin vs Tesamorelin
Ghrelin-receptor agonism vs GHRH-receptor agonism, and why one has FDA-approved trial data.
Compare →Tesamorelin vs CJC-1295
Two GHRH analogs solving the same half-life problem differently, at very different points in clinical validation.
Compare →Healing & Recovery
BPC-157 vs TB-500
Two different mechanisms behind our most-referenced tissue-repair blend.
Compare →BPC-157 vs GHK-Cu
Systemic cytoprotective repair vs copper-dependent collagen synthesis, and why one has human data.
Compare →Thymosin Alpha-1 vs Vilon
Two immune-modulation compounds at opposite ends of the evidence spectrum.
Compare →Cognitive & Nootropic
Semax vs Selank
Same Moscow research lineage and stabilization technique, different research focus.
Compare →Cartalax vs Pinealon
Same disputed Khavinson bioregulator mechanism, aimed at cartilage vs brain tissue.
Compare →Longevity & Cellular Health
MOTS-c vs SS-31
Two mitochondrial mechanisms at very different points in clinical development, including trial data.
Compare →Epitalon vs SS-31
Telomerase/pineal signaling vs. mitochondrial membrane protection, two dominant angles in cellular aging research.
Compare →What Is Epitalon?
Synthetic tetrapeptide studied for its role in telomerase activity and aging research.
View Specs →What Is Thymosin Alpha-1?
Thymic peptide studied for immune-modulation research — immunity and general health, not tissue repair.
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