Amino acids can be arranged in any order you like, so a chain of 15 amino acids has 20^15 possible sequences, or about 3.3 x 10^19, which is 33 quintillion possibilities
However, this is very important: enthusiastic anecdotal reports are not a substitute for controlled clinical trials
Mechanism of Action: How 5-Amino-1MQ Works The 5-amino-1MQ mechanism of action centers on its selective inhibition of the NNMT enzyme, creating a cascade of beneficial metabolic effects
Altissimi G, Salviati M, Turchetta R, et al
BPC-157 concentration versus vascular endothelial cell growth Source: PubMed Cell culture research has effectively demonstrated vascular running secondary to BPC-157 administration
[2.] It is studied for its involvement in actin binding and cytoskeletal organization as observed in mammalian models