The 12 Reclassified Peptides
Long-form pillars for each of the twelve peptides removed from FDA Category 2 on April 15, 2026. Research base, legal status, expected pricing, and the legitimate sourcing path. Updated as the regulatory picture clarifies.
BPC-157
Recovery and tissue repair. Most-studied on the list.
TB-500
Tissue repair, often paired with BPC-157.
KPV
Gut and skin anti-inflammatory.
MOTS-c
Mitochondrial and longevity-oriented.
DSIP
Sleep architecture and stress.
Semax
Cognitive, with a Russian clinical history.
Epitalon
Longevity and telomere research.
GHK-Cu
Skin, hair, tissue. Most cosmetic evidence base.
Melanotan II
Pigmentation. The most controversial on the list.
LL-37
Immune and antimicrobial.
Dihexa
Cognitive nootropic. Strong preclinical, weak human data.
PEG-MGF
Muscle recovery. On the WADA prohibited list.