Yamamoto Nutrition® TestoROL is a food supplement indicated for the well-being of male adults, with D-aspartic acid, plant extracts and minerals. Ashwagandha has a favorable tonic action in case of physical and mental fatigue, like ginseng which also has a tonic activity on the body. Magnesium contributes to the reduction of tiredness and fatigue. Finally, zinc contributes to normal fertility and normal reproduction as well as the maintenance of normal testosterone levels in the blood.