You're better when you are rested. KNOCK OUT is your weapon against inadequate sleep, and overthinking, with a unique formula specially designed to help you get better rest. Using the all-natural mood-enhancing properties of Ashwagandha to improve your body's cortisol response to stress, you can look forward to letting the stress melt off and help you slip into deeper, more replenishing sleep. ALL-NATURAL FORMULA- Strategically formulated with Ashwagandha, Zinc, Magnesium, and GABA to improve the body's natural stress responses.