how do b12 injections make you feel Why Need Injections? · PA Relief Best Vitamin B12 Injection Sites:
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B12 has also been loosely linked to serotonin production, the brain chemical that promotes good moods and wards off depression

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However, two other forms hydroxocobalamin and cyanocobalamin become biologically active after they are converted to methylcobalamin or 5-deoxy adenosylcobalamin, said Dr Aravinda G M, consultant, internal medicine, Manipal Hospital, Jayanagar, Bangalore

Additionally, there are other vitamin B complex injections available as alternatives
