now minerals, are essential for the human body to function properly. Essential minerals and trace minerals work synergistically with the vitamins in your body to normalize metabolism, growth, development and cellular activity. As a chief component in both enzyme and coenzyme function, the minerals in your body play a key role in speeding up the chemical reactions that take place in our body. NOW Foods Full Spectrum Minerals supplement delivers the perfect high potency blend of these essential minerals, in addition to vitamin D. Contains no sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives.