How To Prevent B12 Deficiency
Unlike growth factors peptides, which need carrier(s) addition, and are rapidly degraded in human gastric juice, BPC 157, as an antiulcer peptide, is native and resistant to human gastric juice exciding one day period (Sikiric et al., 1993

Examples include: Wound repair models that require fibroblast migration, extracellular matrix deposition, and remodeling Tendon/ligament repair models focused on cell survival, growth and restoration of tissue organization[1] Research in fibrosis and remodeling where thymosin beta-4 related pathways are of interest[2] Studies associated with angiogenesis (e.g., when vascular support is a limiting factor in tissue regeneration) [5] Since synergy is an outcome claim that must be demonstrated experimentally, it is hypothesized here: if BPC-157 and TB-500 affect different critical points of repair (e.g., gene expression versus cytoskeleton mobilization), combined administration in preclinical designs could produce additive or multiplicative improvements in migration rate, wound closure, tissue organization, or histological markers of remodeling, depending on the model and evaluation criteria

For some people, an injection makes more sense because it makes nutrients such as vitamin B12, other B vitamins and magnesium much more available
Why vitamin B12 is included in the formulation Vitamin B12 (cyanocobalamin) serves two distinct purposes in the semaglutide glycine B12 blend