bpc 157 gastrointestinal ulcer healing rat study Stable gastric pentadecapeptide can improve the course of spinal cord injury and lead to functional recovery in rats | Journal of Orthopaedic Surgery and Research BPC-157 & The Gut-Brain Axis:

In summary: Sure, if you're getting adequate, digestible, bioavailable protein from food sources (at least 0.55-0.8 grams per pound of body weight, preferably) you might be able to get enough amino acids from your diet to simply maintain a relatively decent level of health unless youre as physically active as the average exercise enthusiast or athlete, vegan or vegetarian, over 50 years old, have even the slightest amount of gut dysbiosis, or actually want to build muscle and look and feel amazing

This does not make it the most effective, which remains debated, but it does make it among the best characterized for safety

Some users take BPC-157 products on an ongoing maintenance basis for gut health support

Amyloid precursor protein expression modulates intestine immune phenotype