Vitamin B12 is a water-soluble vitamin that is involved in the metabolism of every cell of the human body. It is a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism, It is particularly important in the normal functioning of the nervous system via its role in the synthesis of myelin.There are typically 40 million bacterial cells in a gram of soil and a million bacterial cells in a millilitre of water.There are approximately 5×1030 human bacteria on Earth, forming a biomass that eats of all plants and animals everywhere. Bacteria are vital in the many stages of the nutrient chain of the human body. Vitamin B12 is a water-soluble vitamin that is involved in the metabolism of every cell of the human body. It is a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism, It is particularly important in the normal functioning of the nervous system via its role in the synthesis of myelin.There are typically 40 million bacterial cells in a gram of soil and a million bacterial cells in a millilitre of water.There are approximately
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