FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea Combo Vial: BPC 157 TB 500 (20mg vials) Peptide Partners BPC 157 & TB 500 Peptide Set Wolverine Stack Pure Bio Labs BPC 157: Miracle Healing Peptide or Hidden Danger? 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