Muscular system support. Magnesium 427 mg mixed in a proprietary blend of kelp, licorice root, peppermint leaves, white willow bark and magnesium stereate. Take 1 to 2 capsules only when symptoms appear. If symptoms do not disappear after 30 minutes, take another 1 to 2 capsules until symptoms are gone. Do not take more than 6 capsules in one day.