Maca is a root vegetable or tuber related to the Potato family. It grows in the mountains at altitudes of 3,000 meters, making it the highest cultivated plant in the world. Native Peruvians have used Maca since before the times of the Incas for nutritional and medicinal properties. This herb is a valued food that contains significant amounts of amino acids, carbohydrates, steroid glycosides, and minerals. There is evidence that Maca helps to maintain sexual performance and energy. Furthermore it supports physical and mental performance and well-being.