is b12 injection subcutaneous or intramuscular Injections at Home - Safety Guide for Self-Administration Choosing the Right Needle and

Later, after B12 stores are back to normal, they may prescribe high doses of oral B12 replacement

An elevated serum vitamin B12 is best interpreted against the laboratory's own reference ranges and assay context, with attention to the source-sensitive details along the way and escalation to targeted testing or specialty referral reserved for when a clinician-guided pathway supports it

For those of you who eat meat, really good-quality red meat is an excellent option - liver in particular is very high in B12

Cyanocobalamin Drugs (BNF/NICE)

Super MIC B12 typically includes Methionine, Inositol, Choline, Leucine, Carnitine, Acetyl-L-Carnitine, Theanine, TMG, and Ascorbic Acid [1]

Should I stop taking B12 supplements if I have side effects