BPC 157 Mechanism of Action: Research Overview & Studies What are peptides? FDA may ease restrictions on unproven health fad LiveNOW from FOX The FDA just announced that they're taking steps to lift restrictions on 12 peptides including BPC 157 and TB 500 making them accessible through compounding pharmacies again. This is a HUGE step The FDA banned 19 peptides overnight in 2023. On July 23 2026 they sit down to decide whether to give them back. A urologist who has prescribed these compounds since 2014 just BPC 157 has already hit the mainstream, but should it hit your bloodstream?