Kenay Vitamin B12 MecobalActive is a dietary supplement intended for adults. Each vegetarian capsule contains vitamin B12 in the form of methylcobalamin, the amount of which corresponds to 10,000% of the reference intake of this ingredient for an average adult. The human body does not synthesize (does not produce) vitamin B12, so it must be supplied with food - its source is food of animal origin. Vitamin B12: helps the proper functioning of the nervous system, contributes to maintaining adequate energy metabolism, supports the maintenance of adequate psychological functions, plays a role in maintaining the proper functioning of the immune system, plays a role in the process of cell division, helps to reduce the feeling of tiredness and fatigue, helps in the proper production of red blood cells. The packaging allows for 2 months of vitamin B12 supplementation.