Dietary Supplement. No artificial flavor. No artificial flavor, no artificial sweetener, no preservatives, no sugar, no starch, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. Sodium free. Suitable for vegetarians. Non-GMO. Nature's Bounty Sleep3 is a triple, action, 100% drug-free sleep aid. Each tablet leverages time-release technology to dissolve each layer at different times throughout the night to help you relax and get a good night's sleep so you can wake up ready to take on the day. Melatonin plays a vital role in the maintenance of circadian rhythm sleep-wake cycle, sleep induction and sleep duration. L-Theanine interacts with the neurotransmitter GABA, to support a calm and relaxed mood. Our proprietary nighttime herbal blend includes chamomile, lavender, lemon balm and valerian root extracts.