Ion Charge Liquid Trace Minerals 8 oz from Source NaturalsIon Charge Liquid Ionic Minerals from the Great Salt Lake. Trace Mineral Concentrate. Minerals are the essential cofactors for enzyme activity; they also function as structural support for our bones and teeth, and when ionized, they play a vital role in electrolytic nerve impulse transmission. Source Naturals Ion Charge is a purified liquid concentrate providing a broad spectrum of essential and trace minerals, present in a naturally occuring,