Boiron Arnicare Leg Cramps relieves stiffness and pain from overused muscles. Use it for day and night muscle cramps and spasms in calves, legs, thighs, and arms.* These lemon-flavored chewable tablets are convenient to take without water before bed, when awoken by a cramp, or before, during or after exercise. (Arnicare.com) *Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.