Nature: New biology , 243 (124), 8587
BPC-157 is being investigated for its applications in tissue regeneration, treatment of inflammatory bowel disease, and other cellular processes that support longevity in animals [2, 3]
A vial is packaging, not proof of a subcutaneous route
Skin tightening goals might benefit from moderate concentrations (1% to 2%) used consistently over extended periods, allowing gradual collagen remodeling
When intake and interference are accounted for and the elevation persists, the result is interpreted by weighing hepatic, renal, hematologic, malignant, and functional possibilities
The benzyl alcohol is used specifically to inhibit bacterial growth after the vial is opened and punctured multiple times