Maca root powder is comprised of approximately 18% protein, 76.5% carbohydrates, 5% fat, and 8.5% fiber (indigestible carbohydrates). Maca provides a powerful source of nutrition, including:
Over 20 amino acids, including 8 essential amino acids
20 free-form fatty acids (such as lauric, linolenic, palmitic acid, oleic , and steric acid)
Vitamins B-1, B-2, C and E
Calcium
Magnesium
Potassium
Copper
Zinc
Manganese
Phosphorus
Selenium
Sulphur
Sodium
Iron
Maca is also a rich source of phytonutrients.
There is no particular recommended serving size of maca according to experts, however most people feel best when starting with about 1 tablespoon daily (in powder form) and possibly working their way up to 2-3 tablespoons, spread throughout the day. Because maca can help increase energy and stamina, many people like to consume it before exercising.