Magnesium With Trace Minerals, LiquidNERVOUS SYSTEM SUPPORT* 400 mg MAGNESIUM PER 3 SERVINGS: NOW Liquid Magnesium with Trace Minerals is a mineral concentrate sourced from the Great Salt Lake and produced by using a proprietary solar evaporation process. WITH IONIC TRACE MINERALS: This process also removes 99% of the naturally occurring sodium, while preserving its remaining 72 naturally occurring Trace Minerals in their bioavailable ionic forms. CERTIFICATIONS CLASSIFICATIONS: Non GMO,