Dietary supplement based on D-Ribose, magnesium and L-aspartic acid. It helps to improve performance and prevents tiredness and fatigue. It is also useful to prevent stiffness and/or to resume exercise after a period of inactivity. D-ribose contributes to the maintenance of ATP levels. This product contributes to the production of energy in a natural way, helping the muscle to recover energy. Its components, synergistically, can reduce the stress associated with intense activity. Magnesium helps to reduce tiredness and fatigue.