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Vitamin B-12 helps make red blood cells and keeps your nervous system working properly
Studies have shown that maintaining a normal level of cyanocobalamin in the blood leads to a reduction in homocysteine levels, thus contributing to slower aging of the brain
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Unlike oral supplements, which require daily use and may result in inconsistent absorption, injections deliver a high concentration of the vitamin directly into your bloodstream, allowing for longer-lasting benefits and fewer treatments
Wang, H
It can also make you feel tired or weak
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