Is BPC 157 Legal? Understanding Its Status and Implications Q&A: Should you trust trending peptide injections? 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 Peptide math gets confusing fast. PeptiCalc helps with BAC water, mcg, IU, mL, and U 100 syringe mark calculations in one simple free tool. Calculator math only. Always verify your label or prescriber BPC 157 Dosage Calculator : Accurate Mixing, BAC Water & Syringe Unit Guide Peptide calculator Peptide Calculator Guide Reconstitution & Concentration PRG