If a pregnant patient has a documented deficiency of one or more B vitamins or a condition like hyperemesis that prevents oral intake, the benefits of correcting the deficiency (preventing serious maternal and fetal complications) outweigh any minimal risk from the injection
Vitamin B12, chemically known as Cobalamin, is a water-soluble vitamin that plays a crucial role in many essential bodily functions particularly red blood cell formation, nervous system and brain function, DNA synthesis, and energy metabolism
Burgess, Safety of Intravenous Infusion of BPC157 in Humans: A Pilot Study, Altern
Different peptides target different pathways
Regarding weight management , NHS guidance is unequivocal: B12 supplementation is not recommended as a weight loss intervention