Helps boost immune system; helps gives healthy skin from w/in; helps contribute to the regulation of collagen breakdown; helps increase resistance against sickness. Promotes cell & tissue renewal of the skin, heart, lungs, muscles & liver. Helps maintain membrane integrity in all cells by acting as the body's fat-soluble antioxidant which acts as the 1st defense against free radicals in the lipid (fat) phase of cells. Modulates the synthesis of prostaglandins which are important for the body's immune response. Involves in the metabolism of nucleic acid & functioning of the mitochondria for energy production.