Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review Injectable or capsule which one is better, The truth is, it depends on the peptide and the goal, For example, BPC 157 in capsules is usually directed toward gut health but when its injected, it BPC 157 Injectable vs. Oral Which is Best Mike Torchia and Kwan James break down the difference between injectable and oral peptides. Injectables are more direct for joints, tissue repair, and BPC 157 5mg vs. 10mg: Which Vial Size is Best for Research?