injections of vitamin b12 are used successfully to treat Do You Need a Prescription for Injections? The B12 Shot: What Every

You may feel nauseated after taking vitamins, especially if the supplement requires you to take a large number of pills

Though allergies to cobalt are rarely dangerous, taking any form of B12 supplement, whether by injection, tablet, or topically applied gel, may result in an uncomfortable, itchy rash

Though the committee's decisions are non-binding, the FDA has historically followed its recommendations

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