Premium quality iron with vitamin B12 Ultra Iron from Vitabiotics provides 14mg iron carefully balanced with vitamin B12, vitamin C and folic acid. Iron is an essential mineral for a number of functions in the body, but sometimes our diets are not well balanced and even drinking tea or coffee can inhibit iron absorption. Blood formation Iron and vitamin B12 contribute to normal formation of red blood cells. Iron also contributes to normal formation of haemoglobin and normal oxygen transport in the body. Cell division Iron, vitamin B12 and folic acid all have a role in the process of cell division. Iron absorption Vitamin C increases iron absorption. It also contributes to normal collagen formation for the normal function of blood vessels.