Benefits/Features Geoplan Fortius Ultra K2 + D3 + B12 is a dietary supplement of 3 vitamins that are essential for many functions of the body and especially for the normal functioning of the immune system. Specifically, it contains per tablet: Vitamin D3 4000 IU Vitamin B12 1000 μg Vitamin K2 42 μg The form of vitamin D used is D3 or cholecalciferol, which is better absorbed by the body than D2. Correspondingly, methylcobalamin has been used as a source of vitamin B12, which is absorbed and utilized to a greater extent than other forms of vitamin B12, as is the case with the form of vitamin K contained in this preparation (menaquinone-7). Vitamin D contributes to: the normal functioning of the immune system * the normal absorption and utilization of calcium & phosphorus * the