vitamin b12 how to give injection a Injection: Step-By-Step Instructions Vitamin B12 Injections: What You

For other forms, see Methylcobalamin and Adenosylcobalamin

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Anaphylactic reaction after injection of vitamin B12 Heres a case of two female patients with pernicious anemia who had adverse reactions to B12 shots (hydroxocobalamin)

If youve been feeling: Worn out no matter how much you sleep Mentally slow or forgetful Weak, pale, or dizzy Numbness in hands or feet Low mood or anxious for no reason these could all be signs of a vitamin B12 deficiency

Folate and vitamin B12 also combine to produce methionine, a precursor for DNA methylation, which is critical in regulating gene expression and maintaining genomic stability

This is not equivalent to the FDA granting approval as a therapeutic drug, and it carries no standing under UK or EU medicines law