how often do you need b12 injections Vitamin | Energy Boost What Are the Benefits of
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Then, they get weekly shots

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If your B12 level is found to be below normal, replacing that vitamin B12 is very important, explains family physician Kenneth Goodman, MD

Vitamin B12 is an incredibly important vitamin used to keep the body, brain, nerve, and blood cells healthy

The most common sign of a deficiency is fatigue and low energy