FAQs The frequency of B12 injections varies: initially, they may be given weekly or biweekly to address severe deficiency, then reduced to monthly or less often for maintenance
it's produced by bacteria in the gut and when we consume certain animal foods, we get the B12 produced by the gut bacteria of those animals
Heres a table showing common prescription B12 injection strengths : Over-the-Counter Oral Supplement Ranges OTC oral vitamin B12 supplements have dosages from 500 to 2,000 mcg per serving
They are unapproved compounded products, prepared by compounding pharmacies, which have not been reviewed by the FDA for safety, efficacy or quality in this indication
Youve been through a pregnancy or two in the last few years or perhaps youre making the transition through menopause
Excessive alcohol consumptionlasting for several yearscan increase the likelihood of nerve damage