Established 1971 Gluten-Free Helps Relax Muscles Supports Bone Health Only 2 Tablets per Day Dietary Supplement Kosher Parve -Our Pledge of Integrity- Authenticity Cleanliness Freshness Consistency Accuracy Magnesium is needed for more than 300 biochemical reactions in the body and helps to relax muscles and to maintain an already normal blood flow. It can also support a steady heart rhythm and a healthy immune system, as well as keep bones strong.