Yu Sleep™ delivers a breakthrough in natural sleep science with its nano-enhanced liquid formula that absorbs quickly and works with your body’s sleep-wake rhythm. Its plant-based ingredients—GABA, L-Theanine, 5-HTP, Tart Cherry Extract, and B Vitamins—calm the nervous system, lower nighttime cortisol, and promote natural melatonin production without overwhelming your system. https://www.usleep.us/