While the peptides activation of ENC-alpha in the lungs is a good thing in pneumonia where fluid literally interferes with breathing, the investigators were concerned that activating ENaC-alpha in the kidneys might disturb normal sodium retention, which is important to the kidneys role in blood pressure regulation
Second, the compound identity should match by molecular weight on the COA against the published spec (BPC-157 = 1419.5 g/mol, GHK-Cu = 340.384 g/mol, Retatrutide = 4845.444 g/mol, etc.)
For hair restoration specifically, some protocols combine subcutaneous GHK-Cu with direct scalp injection (mesotherapy) to deliver the peptide closer to the follicle bulb
Research Evidence Preclinical research on BPC-157 spans tendon and ligament repair, inflammatory bowel disease models, gastric ulcer healing, bone repair, and neurological injury
Known PK literature gaps The principal gaps in the BPC-157 PK literature: Rigorous LC-MS pharmacokinetic studies across routes and species especially with quantification at low concentrations to characterise the elimination phase accurately