Vitamin B12 is assumed as a real part in various body’s fundamental capacities, including DNA synthesis and the arrangement of red blood cells. Vitamin B12 likewise helps the body to transform fats and proteins into energy. Although it’s stated that vitamin B12 does not result in weight reduction, it helps in weight reduction however by helping in metabolizing proteins and fats. At the point when protein and fat are metabolized, it produces energy and having energy helps people lose weight. Vitamin B12 is frequently promoted as an energy enhancer and an athletic performance and endurance booster. Vitamin B12 deficiency is characterized by anemia, fatigue, weakness, constipation, loss of appetite, and weight loss. In a recent study, a strong relationship was observed among Vitamin B12 deficiency and low energy level and performance of individuals (Lukaski, 2014). In another study, authors claimed that: those patient who were complaining fatigue, weakness and low energy levels were cured by utilization of Vitamins e.g. Vitamin B12 (E Huskisson, 2014). Some researchers also claimed that folate help out in maintaining the mitochondrial one-carbon transfer cycles by regulating mitochondrial enzymes (Depeint F, 2006). A group of researchers also stated that Vitamin B12 is essential for metabolism of fats and carbohydrates and the synthesis of proteins and also interacts with folic acid metabolism (E Huskisson, 2007).

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Depeint F, B. W. S. N., 2006. Mitochondrial function and toxicity: role of the B-vitamin family on mitochondrial energy metabolism. Chem Biol Interact, Volume 163, pp. 94-112.

E Huskisson, S. M. M. R., 2007. The Role of Vitamins and Minerals in Energy Metabolism and Well-Being. The Journal of International Medical Research, Volume 35, pp. 277-289.

E Huskisson, S. M. M. R., 2014. The Role of Vitamins and Minerals in Energy Metabolism and Well-Being. J. Nutr., Volume 144, pp. 2027-2033.

Lukaski, H. C., 2014. Vitamin and mineral status: effects on physical performance. Nutrition, 20(7-8), pp. 632-644.