From the Manufacturer:
As our soil and food supply continues to be depleted of minerals, the need for bioavailable supplementation increases. ColloidaLife™ Trace Minerals supplies 72 trace elements in a balance of colloids and ionic electrolytes including: Boron, Calcium Chromium, Copper, Iodine, Indium, Iron, Lithium, Magnesium, Manganese, Molybdenum, Phoshorus, Potassium, Rhodium, Selenium, Silica, Silver, Sulfur, Vanadium, Zinc, Beryllium, Nickel, Germanium, Rubidium, Cobalt, Scandium, Gallium, Cadmium, Lanthanum, Tin, Ytterbium, Gold, Iridium, Bismuth, Barium, Platinum, Titanium, Gadolinium, Thallium, Cesium, Zirconium, Niobium, Palladium, and Thorium, among others. 1/10 of 1% methylparaben, widely accepted for its antimicrobial qualities, has been added as a preservative. Methylparaben is a derivative of PABA, (para amino benzoic acid). As in any colloidal solution, a small amount of precipitation may occur.