what is purpose of b12 injection Are Vitamin Shots Right for You? B12 Shots at Home: How,

Aseptic technique per draw: Pharmaceutical handling documentation and community sources consistently describe the same sequence: The rubber stopper surface is wiped with a fresh alcohol swab before each puncture The alcohol is allowed to air-dry (community sources cite 10-30 seconds) A fresh, sterile needle is used for each draw The needle is inserted at the documented angle through the stopper center The required volume is drawn and the needle is removed Needle reuse

However people with low homocysteine, mostly don't have these negative reactions to taking B12 as an injection or oral

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This is not a rare mutation, but rather a common variant that causes a change in how the gene functions