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Understanding Vitamin B12 and the Nervous System Vitamin B12 is a water-soluble vitamin that plays a crucial role in the production of red blood cells, DNA synthesis, and maintaining brain function
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
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It usually lasts weekly for 4-8 weeks
It takes weeks for B12 to build up in your body." The first time, or even the second time, a person receives B12 shots, you might not notice any difference
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