It does not, as long as you maintain gentle technique throughout
BPC-157: A Quick Refresher on the Research BPC-157, or Body Protection Compound 157, is a synthetic peptide chaina sequence of 15 amino acids derived from a protein found in the stomach

Bacterial infections are among the most life-threatening healthcare challenges, accounting for approximately 13.6% of global mortality and affecting 1 in 8 individuals worldwide ( Beyond their pathogenic roles, bacteria are integral to human health, especially in the gut, contributing to immune modulation and digestion ( The human microbiome, especially the gut microbiota, comprises numerous symbiotic bacterial species (e.g., Lactobacillus , Bacillus , Clostridium , Enterococcus , and Ruminococcus ) that collectively represent approximately 90% of the gut flora ( While antibiotics effectively eliminate harmful pathogens, their indiscriminate targeting also affects beneficial bacteria, reducing microbial diversity and increasing the likelihood of antibiotic resistance ( The decreasing efficacy of antibiotics and the limited availability of alternative treatments underscore the urgent need for new classes of antibacterial therapeutics

Zantac and Pepcid)may interfere with B12 absorption after long-term use, since they lower the acidity of the stomach