For long-term benefits, such as improvements in fatigue, cognitive function, and overall well-being, it may take a few weeks to months of regular B12 injections
Corrales FJ, Perez-Mato I, Sanchez del Pino MM, Ruiz F, Castro C, Garcia-Trevijano ER, Latasa U, Martinez-Chantar ML, Martinez-Cruz A, Avila MA, Mato JM: Regulation of mammalian liver methionine adenosyltransferase
doi: 10.1038/emm.2015.124 305 AngiolilliCKabalaPAGrabiecAMVan BaarsenIMFergusonBSGarcaSet al
PMID: 8937421 Lauterburg BH
Gastrointestinal Tissue Research BPC-157 is derived from a gastric protein fragment and is investigated in preclinical GI models for how it may influence mucosal signaling, inflammatory pathway modulation, and cellular proliferation
(96) from the University of Minnesota