Vitamin B12 is a food supplement based on vitamin B12. It helps process carbohydrates, proteins and fats and helps produce all the blood cells in the body. Vitamin B12 contributes to the normal functioning of the nervous system and the immune system. Vitamin B12 contributes to normal psychological function and helps reduce fatigue and tiredness. Vitamin B12 contributes to normal homocysteine metabolism. Vitamin B12 contributes to the normal formation of red blood cells and the process of cell division. Vitamin B12 supports normal energy metabolism. It is recommended for adults and young people over 12 years old. If required, it can be increased to two tablets a day.