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Brighten Your Day With Vitamin B12 Injections If youre experiencing symptoms of B12 deficiencyfatigue, weakness, numbness or tingling in the hands and feet, difficulty concentrating, memory issues, or mood changesit may be time to consider testing your B12 levels and exploring treatment options like B12 injections

There are no reported risks associated with large doses of B12, since the vitamin is water soluble and excess amounts are flushed out of the system

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