Function
While BPC-157 is investigated for accelerating healing of gastrointestinal mucosa, tendons, ligaments, bone, and nervous tissue in preclinical models, with anti-inflammatory and pro-angiogenic effects111, GHRP-2 is used in research to induce robust GH pulses and study anabolic and metabolic effects; clinically developed as pralmorelin for GH deficiency diagnostics6272.
Mechanism
While BPC-157 works as a synthetic 15-amino-acid fragment of a gastric cytoprotective protein that promotes angiogenesis and tissue protection primarily by modulating VEGFR2 signaling, Src/caveolin-1–dependent eNOS activation, and nitric oxide production111, GHRP-2 is a second-generation hexapeptide growth hormone–releasing peptide that mimics ghrelin by agonizing GHSR-1a, strongly stimulating pulsatile GH release and modestly raising prolactin, ACTH, and cortisol62723096.
Length and Sequence
BPC-157 is 15 amino acids long, whereas GHRP-2 is shorter as it has a length of 6 amino acids. BPC-157 is made up of a sequence of Glycine, Glutamic acid, Proline, Proline, Proline, Glycine, Lysine, Proline, Alanine, Aspartic acid, Aspartic acid, Alanine, Glycine, Leucine, Valine. GHRP-2 is made up of a sequence of Alanine, D-2-Nal, Alanine, Tryptophan, Phenylalanine, Lysine.