Spring Valley Extra Strength Magnesium Bone and Muscle Health Dietary Supplement Tablets are specially formulated to provide a nutritional boost to your nerve, muscle, and heart health.* Magnesium is also essential in the formation of bone, making it beneficial to your skeletal system.* Each tablet contains 400 milligrams of magnesium, which is 95 percent of the recommended daily value of this essential mineral. These tablets are free of gluten, lactose, artificial flavors and synthetic dyes. You can rest assured that Spring Valley Extra Strength Magnesium Bone and Muscle Health Dietary Supplement Tablets are produced with strict quality guidelines and are backed by our quality guarantee. The "Vitamins & Minerals - A to Z" guide is part of the “Better Idea Guide” project, which was created and copyrighted by the owner. An active copyright was filed in 2020 and can be viewed at the United States Copyright Office website Copyright.gov Any reproduction or use of this guide without the owner's consent is strictly prohibited. This rule is strictly enforced. The Better Idea Guide is not affiliated with Spring Valley. Spring Valley is a registered trademark.