Youll need to see a doctor to assess your need and to get a prescription for your pharmacy
How Gastric Banding Affects Vitamin B12 Absorption Gastric banding leaves the B12 absorption pathway anatomically intact, so deficiency is driven by dietary restriction and PPI use rather than surgical bypass
Unlike most other water-soluble vitamins, vitamin B12 (4 to 6 mg) is bound to a protein and stored in the liver as methylcobalamin or 5-deoxyadenosylcobalamin
Meta-analysis of folic acid efficacy trials in stroke prevention: Insight into effect modifiers
Formulations of cyanocobalamin injection containing benzyl alcohol as a preservative should also be avoided in premature neonates and those with hypersensitivity due to its association with gasping syndrome (10-12)
These include: swollen face, tongue, and throat difficulty swallowing difficulty breathing While B12 is fairly safe on its own, it doesnt always play well with certain drugs or supplements