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Benefits of Vitamin B12 Injections B12 injections give you more energy and boost your metabolism, helping you shed unwanted weight
B is needed for the production of neurotransmitters such as GABA, serotonin, and dopamine, and for glycogen breakdown and hemoglobin synthesis
Further, as Healthline points out, injectable B12 which is generally given in much higher dosages than what can be found in food and multivitamins has been associated with more commonplace side effects, minor as they may be
Thomas A, Grgens C, Guddat S, et al
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