It is an essential cofactor for about 300 enzymes. Among the reactions catalyzed by these enzymes are fatty acid synthesis, glucose synthesis and metabolism.  Magnesium level is also important in regulating calcium balance through its effects on the parathyroid gland.  It is recommended to take 1 vegetarian capsule per day.  For adults only. See your doctor if you are taking medication or have health problems. Keep away from children. Natural color variation may occur in this product.