About this item TJ Clark's Legendary colloidal liquid vitamins mineral contains up to 72 naturally occurring trace minerals and elements This product is 100% all-natural TJ Clark trace mineral drops contain essential minerals such as Calcium, Iron, Magnesium, Zinc, Copper, Manganese, Chromium, Potassium, Boron Our colloidal minerals helps to provide vital trace minerals and elements These trace minerals drops are minimally processed