None of that is in dispute
Fast injection creates a sudden bolus of fluid in the subcutaneous tissue, which causes pressure, stinging, and sometimes lump formation
Angiogenesis & VEGFR2 Mechanism Hsieh et al., Journal of Molecular Medicine (2017) Hsieh and colleagues investigated the pro-angiogenic effects of BPC-157 across multiple experimental systems: a chick chorioallantoic membrane (CAM) assay, an endothelial tube-formation assay, and a rat hindlimb ischemia model assessed by laser Doppler scanning
Symptoms of beriberi may include confusion, difficulty walking, or cardiovascular issues
A 2006 Phase I trial of CJC-1295 reported no serious adverse events across a small number of subjects, but it was a safety study, not an outcomes trial, and there are no large trials showing it does what enthusiasts hope