Normal function of the nervous and immune systems Vitamin B12 (cobalamin) plays a vital role in the proper functioning of the body as it contributes to the normal functioning of the nervous and immune systems and metabolic processes aimed at producing energy and reducing tiredness and fatigue. Necessary for the formation of red blood cells that, together with hemoglobin, transport oxygen throughout the body. At the same time, it contributes to normal psychological function and seems to be useful in cases of depression, since as supported by scientific studies, it was observed that 30% of patients hospitalized for depression have a vitamin B12 deficiency. It also contributes to the normal metabolism of homocysteine. In case of high levels of homocysteine, which is responsible for the occurrence of cardiovascular events, vitamin B12 contributes positively to its metabolism. Does not contain: gluten, artificial colors, lactose, preservatives.