do b12 injections have side effects Too Much Vitamin B12: Is It Bad for Your Health? – Vitamin B12 Injection: Uses, Benefits,

It is vital for metabolic processes of both the central nervous system (CNS) and peripheral nervous system (PNS)

Methylation is important to almost every process in the human body

Cyanocobalamin Injection, Solution NDC Package 0404-9783-30 Package Information Cyanocobalamin injection is cyanocobalamin is indicated for vitamin B12 deficiencies due to malabsorption which may be associated with the following conditions:Addisonian (pernicious) anemiaGastrointestinal pathology, dysfunction, or surgery, including glutren enteropathy or sprue, small bowel bacteria overgrowth, total for partial gastrectomy.Fish taprworm infestationMalignancy of pancreas or bowelFolic acid deficiencyIt may be possible to treat the underlying disease by surgical correction of anatomic lesions leading to small bowel bacterial overgrowth, expulsion of fish tapeworm, discontinuation of drugs leading to vitamin malabsorption (see Drug Interactions), use of a gluten-free diet in nontropical sprue, or administration of antibiotics in tropical sprue

The usual daily recommended amounts of methylcobalamin, vitamin B12 either through dietary intake or supplementation should be taken during pregnancy