Food supplement based on vitamin C, zinc and selenium. Vitamin C contributes to the normal functioning of the immune system during and after intense physical exercise, to the normal formation of collagen for the normal functioning of blood vessels, bones, cartilage, gums, skin and teeth, to normal energy metabolism, to the normal functioning of the nervous system, to normal psychological function, to the normal functioning of the immune system, to the protection of cells against oxidative damage, helps to reduce tiredness and fatigue, helps to regenerate the reduced form of vitamin E and to the improvement of iron absorption. Zinc contributes to the normal functioning of the immune system, to the protection of cells against oxidative damage, to the process of cell division, to normal cognitive function, to the maintenance of bones, nails and skin in normal conditions, to the normal metabolism of macronutrients and normal protein synthesis. Selenium contributes to the normal functioning of the immune system, the maintenance of normal hair and nails, normal thyroid function and the protection of cells against oxidative damage. Instructions for use Take one (1) or two (2) tablets a day, with half a glass of water (125 ml), or as recommended by a professional.