fda warning peptides bpc 157 not approved The Unregulated World of Peptides: What You Need to Know Before You Inject – Holt Law Peptides are unproven as health
Description
both are unapproved research chemicals (assigned 503A Category 2 and difficult to compound)

Heffernan et al

Ligand binding activates adenylyl cyclase, elevating intracellular cAMP and triggering PKA-mediated phosphorylation of downstream steroidogenic targets including CYP11A1, CYP17A1, and 3-HSD

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doi: 10.1007/s00213-010-1870-3