Stress-Dex® Balanced ElectrolyteStress Dex is a balanced electrolyte powder for horses, to be used as a supplemental source of calcium, phosphorus, salt and potassium. Highly palatable, appetizing orange flavor. Easily mixed with drinking water. Made in USA. Replenishes the body of lost electrolytes during periods of stress, illness, physical exercise and hot, humid weather. For horses, to be used as a supplemental source of calcium, phosphorus, salt and potassium.