Hyland's Leg Cramp Tablets relieve leg cramps, calf cramps, and foot cramps naturally. Leg cramps provide temporary relief from symptoms such as stiffness, pain in the limbs, joints, and legs, and cramps in the calves, feet, and legs. Hyland's quick-dissolving tablets melt in your mouth instantly to relieve symptoms of leg and calves pain, limb and joint pain, and foot cramps. There is no need for water, and there is no stomach discomfort. This gentle formula contains only natural active ingredients. It contains Cinchona Officinalis, which is derived from the bark of the Cinchona tree and is also known as Quinine Bark. Cinchona Officinalis homeopathically prepared is a safe and natural ingredient for relieving leg cramp pain. There are no known side effects, and the medication will not interfere with other medications.