ZMA is used to increase zinc and magnesium levels in general and contribute to the normal functioning of the body, especially when needs are increased, as is the case of athletes. In this formula it is complemented with other nutrients: Zinc contributes to the maintenance of normal testosterone levels in the body. Magnesium helps the normal functioning of the nervous system. Vitamin B6 contributes to the assimilation of nutrients, as well as the regulation of hormonal activity. Instructions for use: Take 2 capsules a day.