Stress-X Magnesium Powder is a natural magnesium supplement formulated with magnesium malate and a special blend of magnesium carbonate and citric acid, which creates a highly absorbable form of magnesium citrate to help maintain healthy magnesium levels in the body to help you stay calm and relaxed and to feel overall wellness in body and mind. We also added a complex of over 72 naturally occurring electrolytes from Ionic Trace Minerals for a magnesium supplement that is unmatched in the industry.