vitamin b12 injection allergy What causes pruritus after (Cobalamin) injection? Feeling Tired All the Time?
Description
However, for othersparticularly those with a more severe deficiency or underlying health conditionsit may take up to a week or even several weeks to experience significant changes

Very fast thanks So far the medication is great
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This presents a challenge for individuals following vegetarian or vegan diets, as plant foods do not contain reliable amounts of B12

PMID: 31780780

Patients with a clinically diagnosed B12 deficiency such as pernicious anaemia should be under GP care for ongoing management