On April 15, 2026, the FDA announced the removal of BPC-157 from its 503A Category 2 list, effective April 22, 2026, because the original nominations were withdrawn
This can denature (destroy) the peptide at the air-liquid interface
Safety considerations and potential side effects Safety evaluation of wolverine peptide nasal spray requires considering both the peptides themselves and the nasal delivery route
Combined with the systemic immune modulation of thymosin alpha-1 and the cytokine reduction of KPV, a multi-peptide approach addresses both the root immune dysfunction and the resulting joint damage
This excellent safety record contributed to the peptides characterization as having tolerability indistinguishable from placebo in published research
Pregnancy and breastfeeding: There is insufficient safety data for peptide use during pregnancy or lactation