Food supplement based on L-Tyrosine, iron, zinc and selenium. Iron contributes to the normal formation of red blood cells and hemoglobin, normal cognitive function, normal energy metabolism, normal oxygen transport in the body, normal functioning of the immune system, the process of cell division and helps slow down tiredness and fatigue. Zinc contributes to the normal functioning of the immune system, to the protection of cells against oxidative damage, to the cell division process, to normal cognitive function, to the maintenance of bones, nails and skin in normal conditions, to the normal metabolism of macronutrients. 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. How to use Take one (1) or two (2) capsules daily.