bpc-157 safety data human 10 questions to ask your doctor about peptides BPC-157: A Prohibited Peptide and

But after gastric bypass, making less intrinsic factor means less B12 gets absorbed

So at least in my case, and again, this is anecdata, it seemed to

The evidence was based on experimental data only briefly described in the patent and included models of: gastric ulcers, heart damage, liver damage, pancreatic injury, kidney damage, experimental diabetes, fever, edema, rhinitis, bone fracture, burns, skin wounds, hypersensitivity reactions, pupil dilation, colon injury, tumour growth, radiation injury, red blood cell development, fertility and lactation, tooth damage, several types of central and peripheral nerve damage, and survival from infection with Trichinosis (i.e., tapeworms) as well as several viruses

but adding it more in your diet (more than one banana) won't hurt