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This historic test consisted, in its first step, of taking an oral dose of radiolabelled vitamin B 12 , followed by quantitation of the vitamin in the patient's urine over a 24-hour period via measurement of the radioactivity

You can then submit this letter to your insurance company to request coverage

Injections are appropriate for vegans or vegetarians with confirmed deficiency or documented absorption issues, but they are not the only effective option

The Coenzyme Forms of Vitamin B12 Methylation is one way through which your body detoxifies

Studies show that methylcobalamin vs cyanocobalamin might be better for your brain and nerves