Maca is rich in nutrients and phytochemicals, including alkaloids, phenols, flavonoids, tannins, glycosides, saponins, and amino acids. As a supplement, maca root is available in dried or powdered form, in capsules, and tablets. Since maca root is a food, maca can be consumed in relatively high doses. Dried or powdered maca root can be used in drinks or sprinkled on food. Three or more grams of maca root per day is usually recommended. Though it may take a while for results to be noticed, some people report feeling the effects of maca root within hours. So far, maca root has no known side effects, drug interactions, or contraindications. Maca root contains amino acids, minerals, sterols, fatty acids, vitamins, saponins, tannins, and carbohydrates. Maca root is a tuber root and is considered a starch.
Maca is rich in amino acid nutrients such as alanine, argine, aspartate (no relation to aspartame), glutamine, glycine, histidine, OH-proline, isoleucine, leucine, lysine, methionine, phenylalanine, proline, sarcosine, serine, threonine, tyrosine, and valine.
Maca is rich in fatty acid nutrients such as laric, myristic, palmitic, palmitoleic, linoleic, arachidic, steric, behanic, nervonic, lignoceric, tridecanoic,7-tridecanoic, perntadecanoic,7-pentadecanoic, heptadecanoic,9-heptadecanoic,nonadecanoic,11-nonadecanoic, and 15-eicosenoic.
Maca is rich in sterol nutrients such as brassicasterol, erogosterol, ergostadienol, campesterol, sitosterol, and stigmasterol. (Plant sterols are part of the cell membrane and they are also used as the starting material in the production of steroidal drugs. They may inhibit tumour growth and regulate blood cholesterol).
Sexual Enhancement of maca root: Organic maca root supplements works so effectively for both men's and women's hormonal imbalances. Maca root acts in a regulatory manner so whether your body is producing too much or too little of a particular hormone, consuming maca root will help balance them. In a double blind study, men between the ages of 21 and 56 were given 3 grams of maca root or a placebo for a period of 12 weeks. Men who received the maca root supplement reported increased sexual desire after about 8 weeks of treatment, even though the maca supplements did not appear to affect levels of testosterone levels. Studies done at the Peruvian University Cayetano Heredia were done with maca root extract gelatin 500mg per capsule.