Lean1 Sleep naturally improves the quantity and quality of sleep without side effects or addictive qualities. Lean1 Sleep is fast and effective at both producing and maintaining sound sleep and awakening feeling rested and refreshed. Our patent-pending formula has 10 active ingredients that interact synergistically to enhance every stage of the sleep cycle. It includes ZMA, 4-amino-3-phenylbutyric acid, Melatonin, 5-HTP, Taurine, L-theanine, Folic acid, Bioperine, and Vitamin B6.