DL-Tryptophan
Tryptophan helps treating menopausal depressive conditions, as well as alleviating the symptoms of restless leg syndrome. In addition, it assists in controlling the hyperactivity in children and relieves stress. This amino acid is also recognized for being involved in the body's regulation of sleep: increasing Tryptophan levels may help you normalize sleep patterns. The researches also point out that people suffering from migraine headaches should regulate their levels of Tryptophan.