This professional-grade liquid ionic mineral dietary supplement is made from the mineral zinc, element #30 on the periodic table, which has been reduced to nano-sized particles for better absorption into the body. These zinc particles can be described as nanometer in size. Good State ionic minerals are formulated to have a very high absorption rate at the cellular level, while similar products' mineral absorption rate can be very low. This product is suitable for vegetarians. Good State Ionic Zinc is made in the USA.