Established 1971. Helps relax muscles. Supports a healthy immune system. Essential for proper calcium utilization. Our pledge of integrity. Authenticity. Cleanliness. Freshness consistency. Accuracy. Magnesium is needed for more than 300 biochemical reactions in the body. It helps to relax muscles and to maintain an already normal blood flow. It can also support a steady heart rhythm a healthy immune system, as well as keep bones strong. Yes manufacturing supports wind power. This product has been manufactured at a GMP registered facility. Certified B Corporation.