Peptides went from niche bodybuilding compounds to mainstream wellness culture in under five years. The appeal makes sense on the surface, naturally occurring, targeted mechanisms, marketed as smarter than traditional pharmaceuticals. What The U.S. Food and Drug Administration is moving toward allowing compounding pharmacies to produce more than a dozen injectable peptides that were banned because of potentially significant safety risks, the New York Frontiers Pichia pastoris secreted peptides crossing the blood brain barrier and DSIP fusion peptide efficacy in PCPA induced insomnia mouse models Advantages and disadvantages of therapeutic peptides (Adopted from [25]) Download Table