What is the function of vitamin B12? Firstly, vitamin B12 supports the production of both red blood cells and bone marrow and helps prevent anemia. Secondly, it ensures the proper development of nerve cells and improves memory. Thirdly, vitamin B12 increases energy levels by helping cells metabolize carbohydrates, fats and proteins.
Vitamin B12 deficiency symptoms include: red, sore tongue, numbness and tingling in legs and feet, nervousness, heart palpitations, extrasystoles, depression, memory problems and poor concentration.
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