is b12 injection better than tablets When Should You Get a Vitamin Injection? B12 Injections: Are they more
Description
Annually after year 1: Annual B12 levels

That's why high-dose supplements like 1,000 mcg or even 5,000 mcg exist

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Vitamin B12 injections (hydroxocobalamin in the UK) are prescribed for documented deficiency states such as pernicious anaemia and malabsorption disorders
