Clinically studied ingredient for sleep. Promotes relaxation and sleep. For occasional sleeplessness. Beauty Starts on the Inside: At Nature's Bounty, we believe health and beauty go hand in hand. With nearly 50 years of making quality vitamins and more than 20 years in the beauty business, you can trust that every Nature's Bounty product is backed by science, and made with the purest ingredients - guaranteed. Guaranteed quality. Laboratory tested.