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Vitamin B12 injections are prescription medications, and you can buy them at pharmacies near you, provided you get a prescription to show to them
Stomach acid is necessary to release vitamin B12 from food, and intrinsic factor is required for its absorption
For individuals receiving B12 injections for severe deficiency, there have been isolated reports of hypokalaemia (low potassium) during initial treatment, as rapid cell production consumes potassium
If switching to a plant-based diet, it usually takes years before a clinically manifest deficiency develops, especially taking the reserve capacity of the body into consideration
B is needed for the production of neurotransmitters such as GABA, serotonin, and dopamine, and for glycogen breakdown and hemoglobin synthesis
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