allergy to b12 injection PDF) Adverse reactions vitamin injections due to benzyl alcohol sensitivity: Successful treatment with intranasal cyanocobalamin Vitamin B12 Injection Service |
Description
(1996) 43:S5763

There is no gold standard test that gives a clear, unequivocal answer to the question does this person have a vitamin B12 deficiency, yes or no
Ideal for individuals with fatigue, low mood, or B12 deficiency

Aspirate slightly to ensure the needle is not in a blood vessel

Modern and more accurate markers like holotranscobalamin (holo-TC) or methylmalonic acid (MMA) give you a much better picture of your actual B12 status

If stores of b12 had been available to me surely that would not have been the case
