Root King Sleep TightRoot King Sleep Tight Softgel contains melatonin and lecithin. It helps to regulate sleep and wake cycles. It is extracted from plants and suitable for daily and long term use. Melatonin is also secreted by the pineal gland; a pea sized gland located just above the middle of the brain and contributes to the sleep wake cycle. They were known as the sleep hormone. Effect: Treat jet lag, trouble sleeping. Promote good mood & rest. Body not producing