b12 injections making me feel tired Feeling All the Time? It Might Be a Vitamin Deficiency b12 injection makes me sleepy
Description
By treating the patient with targeted doses of methylcobalamin alongside other methylated B vitamins, the clinicians successfully supported the COMT enzyme
Because of lack of renal clearance, serum values rose to more than a hundredfold from 422 pmol/L on average to 54 000 pmol/L, with 67 000 pmol/L as highest value, without side-effects

If your body is unable to absorb and store vitamin B12, your healthcare professional may prescribe frequent injections, which can vary from weekly shots to one every four weeks

Technology appraisal guidance [TA1026]
