Vitamin B12, or cobalamin is a water-soluble vitamin of immense importance to the body. It is very important for producing energy within the body. However, there are many aspects of this nutrient that not discussed and are also much-underrated. Vitamin B12, or cobalamin is a water-soluble vitamin of immense importance to the body. It is very important for producing energy within the body. However, there are many aspects of this nutrient that not discussed and are also much-underrated. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle