Maca is a true nutritional powerhouse. Dried Maca root contains 13-16% protein, 8.5% fiber, 19 essential amino acids, vitamins A, B1, B2, B3, C and D, minerals iron, magnesium, copper, zinc, sodium, potassium, calcium, several glucosinolates, 20 free fatty acids, and unique compounds called macaenes and macamides. Beyond that, Maca is one of only a handful of foods considered to be an “adaptogen,” or a food that raises overall life force energy.