Sublingual forms might be better because they skip the stomach
BPC 157 Therapy, Interaction with Essential Systems, i.e., Nitric Oxide (NO), Prostaglandins-System, Implicated in the Cytoprotection Concept and Glaucoma For BPC 157 therapy, a common successful result might be the combined evidence, involving essential systems, i.e., nitric oxide (NO)-, prostaglandins-system, long-ago implicated in the cytoprotection concept [1,2,3,4,5,6,7,8,9,10]
2) Avoid:Strong acids (e.g., AHAs, high-dose vitamin C) or chelators (e.g., EDTA), which may destabilize the copper-peptide complex.
THIOREDOXIN A ubiquitous small soluble protein with redox-active cysteines that catalyses thiol-disulphide exchange reactions
Kozakova M, Palombo C, Paterni M, Dekker J, Flyvbjerg A, Mitrakou A, Gastaldelli A, Ferrannini E