About this item T. J. Clark Legendary colloidal liquid vitamins mineral supplements contains up to 72 naturally occurring trace minerals and elements from prehistoric plant deposits. This product is 100% all-natural, free from preservatives, corn, dairy, soy, additives or common allergens and products. It is gluten-free, sugar-free and contains no artificial colors or flavors. T. J. Clark trace mineral drops contain essential minerals such as Calcium, Iron, Magnesium, Zinc, Copper, Manganese, Chromium, Potassium, Boron, and much more. Our colloidal minerals provide vital trace minerals and elements while making dietary nutrients more usable as well. These trace minerals drops are minimally processed, using our proprietary processing method.