Henry Blooms Magnesium + Sleep tablets contain a bioavailable form of magnesium & Rehlora to support muscle health, relieve muscle cramps & to help induce sleep, based on use in traditional Western herbal medicine. It also contains Relora, a proprietary blend of Magnolia officinalis & Phellodendron amurense and California poppy. The Relora is used traditionally in western herbal medicine to help relieve symptoms of stress & mild anxiety. The California poppy has been used traditionally in western herbal medicine to induce sleep, reduce the time taken to fall asleep, relieve disturbed sleep and to enhance deep sleep.