Ultimate Sleep is one of the most advanced sleep-supporting formulas available today. It combines serotonin-enhancing ingredients along with anti-anxiety/ calming nutrients, low-dose melatonin for deep-sleep support, nutrients that help block tryptophan degradation with an ingredient that has been documented to help lessen night-time urination (which negatively effects sleep cycles). Simply put, it is the most advanced sleep-supporting formula available in the industry to date!