Full peptide directory
All 7 peptides in this guide—A–Z crawlable index with summaries and label names.
AOD-9604
Fat metabolism
A fragment of human growth hormone studied for fat loss without IGF-1 effects.
DSIP
Sleep
A neuropeptide isolated in 1977 and studied for sleep architecture and stress response.
Melanotan II
Melanocortin
A synthetic melanocortin peptide originally developed for tanning—now notorious for unregulated online sale.
Oxytocin
Neuropeptide
A nine-amino-acid neuropeptide famous for social bonding—also studied as a nasal spray for autism and anxiety.
PT-141
Melanocortin
A melanocortin receptor agonist approved as Vyleesi for hypoactive sexual desire in women.
hCG
Hormonal
A glycoprotein hormone peptide—not a small peptide—used medically for fertility and sometimes TRT adjunct.
hGH Fragment 176-191
Fat metabolism
The lipolytic piece of growth hormone—marketed for fat loss in research markets.