SUPPORTS RESTFUL SLEEP - REM Maintenance powder is a unique blend of nutraceuticals formulated to support normal, healthy sleep. MORE THAN MELATONIN - Our formula contains melatonin, but also includes 5-HTP, a direct precursor to serotonin, as well as Inositol and glycine. MINERALS TO ENCOURAGE RELAXATION - Magnesium and Potassium are minerals shown to improve sleep quality and aid in muscle relaxation, while magnesium has been linked to regulation of biorhythms. PURITY, QUALITY, POTENCY - No fillers, binders, preservatives, artificial colors or flavors. No gluten, egg, peanuts, tree nuts, or magnesium stearate. PHYSICIAN'S CHOICE - The health care professional's choice for high-quality supplements since 1984. We base our products on the latest wellness research and clinical studies, and use third-party testing for all incoming, in-process, and finished product. Products you can trust, at an exceptional value.