Naturally harvested from the pristine Southern Australian coast, Aussie Trace Minerals is a pure Ionic Trace Mineral solution derived from 100% solar concentrated and Sodium reduced ocean water. In addition to being very high in absorbable Magnesium, it also contains 73 other Minerals, Electrolytes and Trace Elements, delivering an extremely complete and balanced formula. Pristine Sourced, Extensively tested for Heavy Metals & Purity, Unbeatable Electrolyte Profile, 102mg of Pure Elemental Magnesium in just 20 drops, Low Sodium, Alkalizing, Extremely Concentrated, Naturally Balanced Bio Available Ionic Minerals for Greater Absorption, Exceeds Australia's Very Strict Quality Standards. Consider using Aussie Trace Minerals for headaches, migraines, muscle cramps, spasms, dehydration, constipation, low PH, diuretic medication users, nutrient absorption issues, general health concerns, jet lag, pre and post workout electrolyte replenishment, keto, and intermittent fasting.