B-vitamin deficiencies are also associated with various adverse pregnancy outcomes and complications including anaemia (Reference Metz85Reference Finkelstein, Fothergill and Venkatramanan89) , early pregnancy loss (Reference Finkelstein, Fothergill and Venkatramanan89Reference Diao, Luo and Li91) , hypertension in pregnancy and preeclampsia (Reference Liu, Liu and Wang92Reference Duffy, McNulty and Ward94) , low birth weight and intrauterine growth restriction (Reference Relton, Pearce and Parker95)
Dillon MB, Rust HL, Thompson PR, Mowen KA
Vitamin B12 absorption from food requires several steps: intrinsic factor secretion from gastric parietal cells, acid-dependent release of B12 from food proteins, and physical contact time in the ileum where transcobalamin receptors capture the B12-intrinsic factor complex
In other words, this is not a miracle cure wrapped in a tiny vial
Exp Toxicol Pathol : Official J Gesellschaft fur Toxikologische Pathologie