b12 injection monthly dose Best Vitamin and Frequency · PA Relief How Often Should You Get

if it specifies oral/sublingual, the same per-dose amount is the reference point, delivered by that route instead of a syringe

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Most antibiotics, methotrexate, and pyrimethamine invalidate folic acid and vitamin B12 diagnostic microbiological blood assays

Vitamin B 12 is present in animal products, such as meat, poultry, fish (including shellfish), and to a lesser extent, dairy products and eggs (1)

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