The table below organizes the practical differences
Food in the stomach does not affect subcutaneous absorption
Serum interleukin-17A (IL-17A), RANKL, and OPG levels increase in postmenopausal women with OP, and there are also more peripheral blood CD4+ T cells that produce interleukin-17 (IL-17) (9)
As far as tested athletes are concerned - BPC is not currently on the WADA banned list under the section naming peptide hormones, growth factors, related substances, and mimetics (as of October 2020)
It is a small protein molecule that your body produces on its own to repair tissue, regulate inflammation, and signal healthy cell activity
Peptides with cysteine, methionine, tryptophan, aspartic acid (Asp), glutamine (Gln), or N-terminal glutamic acid (Glu) are less stable and should be frozen when not in use