From the Manufacturer:
Colloidal Minerals [Vital Nutrition] helps meet your body's need for active enzyme systems, chemical balance and maintenance of all body systems, and minerals to act with the body's many metabolic regulators.
NSP Colloidal Minerals is made with the finest particle-size colloids that are ready for assimilation into the body, providing enhanced mineral supplementation in an economical, great-tasting lemon-lime flavor. These minerals come from ancient plant deposits—a balance of minerals produced by nature. It contains a full spectrum of macro and trace minerals, many of which are required for daily cell function and structure. pH balanced for maximum benefit.