This professional-grade liquid ionic mineral dietary supplement is made from the mineral manganese, element #25 on the periodic table, which has been reduced to nano-sized particles for better absorption into the body. These manganese 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 Manganese is made in the USA.