bpc-157 synthetic 15-amino-acid peptide derived from human gastric juice and the Difference Between an Evidence Gap and a Cover-Up: What the entire evidence base actually looks like, and the questions to ask next. — WellFounded BPC-157: A Briefing for Healthcare

Personal Opinion: After reviewing hundreds of user reports and the available research, I believe BPC-157 represents one of the most promising peptides for soft tissue healing currently available

[5] [6] However, patient experiences suggest that some individuals may experience fatigue during treatment

The liver filters out most of the B12 but provides a constant stream in the blood to the rest of the body

For injectable use, both formulations deliver essentially identical results because the peptide bypasses the gastrointestinal tract entirely

That's the typical pathway for this demographic: topical exposure first, then discovery of systemic protocols, then a clinical consultation to make sense of the gap between the two