bpc 157 barretts esophagus Barrett's Barrett's esophagus - Diagnosis and
Description
However, by reducing the acidity of the gastric lumen, these drugs also inhibit the bodys ability to absorb B12 by preventing its splitting from the carrier protein molecules

Potential side effects may include injection-site redness, swelling, bruising, itching, tenderness, small lumps, headache, fatigue, nausea, appetite changes, abdominal discomfort, stool changes, dizziness, altered sleep, mood changes, or feeling off. Allergic or immune reactions are also possible, and the FDA has specifically raised concerns about immunogenicity and peptide-related impurities in compounded BPC-157

22lbs GONE ON 2.5-1st month
roughly 1 in 2,000 people with high B12 levels would develop one additional lung cancer case over six years, and the evidence isnt conclusive

This is a mixed review