Jarrow Formulas® Sleep Optimizer® is formulated with herbs and amino acids to help you relax and get a restful night's sleep.* GABA, lemon balm and L-tryptophan ease tension.* Valerian and hops studies suggest they could reduce the time it takes to fall asleep.* Melatonin, a hormone released by the pineal gland, helps your body's internal clock so you can drift off faster, even with the stress of time zone changes and shifted work schedules.*