Food supplement that contributes to the optimal functioning of muscles. Formulated with magnesium, an important mineral element, it contributes to the functioning of the nervous and muscular systems. It is involved in muscle contraction and relaxation processes. Selenium and copper are natural antioxidants that help protect cells against oxidative stress. B vitamins and potassium complete the formula for optimal effectiveness. This product can be used during pregnancy, in athletes, adolescents and the elderly.