ZMA is a mineral supplement that has been widely used by athletes, gymnasts, and body builders since it can help as a recovery aid and helps your body achieve deeper levels of REM sleep. Moreover, it can also build muscle strength and stamina. Studies have shown that with the administration of ZMA among athlete subjects, researches found out a significant increase in the players' testosterone and growth hormone levels. Food sources of ZMA, particularly magnesium include Spinach, almonds, cashews, whole grains and beans. While foods that are high in zinc include oysters, red meat, and poultry. It is also known as Zinc Magnesium Aspartate.