4-PG is a combination of herbs put together in the right proportions to give the body some of all the vitamins and minerals are known to man. Vitamins: A,B,C,D,E,F,G,K,P,T, and U. nMinerals: Aluminum, Calcium, Chloride, Copper, Fluorine, Iodine, Iron, Selenium, Lithium, Manganese, Phosphorus, Sulfur, Potassium, Silicon, Sodium, and Zinc. nTrace Minerals: Boron, Bromine, Nickel, Strontium, and Vanadium.