bpc 157 promotes collagen deposition Left, 14 days) (right, 28 days). Transected muscle and therapy BPC-157 Explained: Potential Benefits, Risks,
Description
It appears on the World Anti-Doping Agency prohibited list, so it is not permitted for athletes in tested competition
Muscle loss concerns: Research shows that roughly one-quarter to one-third of weight lost on GLP-1 agonists comes from lean body mass rather than fat

Symptoms of a vitamin B12 deficiency include fatigue, weakness, numbness or tingling in the hands and feet, and difficulty concentrating

Oral supplementation of B12, unlike the injection, must be given every day

At its core, it's a clever mimic of a natural hormone your body already produces called GLP-1 (glucagon-like peptide-1)
