Stable Gastric Pentadecapeptide BPC 157 as a Therapy and Safety Key: A Special Beneficial Pleiotropic Effect Controlling and Modulating Angiogenesis and the NO System Does BPC 157 have any negative side effects, Well, effects are just effects we deem as negative, so it comes down to perception., However, in the case of BPC 157 and other healing peptides, the Modulatory effects of BPC 157 on vasomotor tone and the activation of Src Caveolin 1 endothelial nitric oxide synthase pathway Scientific Reports Is BPC 157 Banned? Oral vs. Injectable Forms Explained Modulatory effects of BPC 157 on vasomotor tone and the activation of Src Caveolin 1 endothelial nitric oxide synthase pathway Scientific Reports