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This essential vitamin plays a vital role in brain function, nervous system, the production of DNA and red blood cells, as well as enhancing the activity of certain immune cells and can help with weight loss
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Oral vitamin B 12 versus intramuscular vitamin B 12 for vitamin B 12 deficiency 22 Background: Vitamin B 12 deficiency is common, and the incidence increases with age
It plays a key role in nerve regeneration, red blood cell formation, and DNA synthesis
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