TB500 vs BPC 157: Unveiling the Ultimate Healing Peptides for Recovery New: An FDA decision to place 19 peptides on the unsafe list was supported by numerous documented safety concerns, former officials said. Even though demand for peptide therapies has exploded since then, TB500 Vs. BPC157: Which To Choose For Injury And Recovery? FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea Peptides, Drugs And Supplements: Science, Risks, And Alternatives Los Angeles Times