Post Views: 1,283 Do you feel tired often? Do you feel weak and lethargic? Do you suffer from recurrent mouth ulcers? Do you feel strange sensations in your hands and legs? If your answer to the questions above is affirmative, then you are probably suffering from the deficiency of a vital vitamin – VITAMIN B12. Vitamin B12 is a water-soluble vitamin that is naturally present in certain foods of animal origin. It is required for the human body to make red blood cells, nerves, DNA, and carry out certain essential functions in the body. Like most vitamins, B12 can’t be made by the body. It must be acquired from food or supplements.…