Our bodies need magnesium for more than 300 biochemical reactions in the body. Magnesium helps relax muscles and supports bone health. It also supports a healthy immune system and a steady heart rhythm, and maintains an already normal blood flow. At Country Life, our Chelated Magnesium 250 mg delivers a healthy dose of this mineral to help support heart health while promoting healthy bone and muscle function. Certified gluten-free, this formula contains magnesium oxide and magnesium amino acid chelate.