Endura-Max is an electrolyte supplement designed for endurance horses. For Immediate Oral Supplementation, Mix Endura-Max In A Syringe with Water Or Another Carrier Such as Applesauce Or Yogurt. For Preloading Prior to the Start of A Competition, Endura-Max Can Be Mixed with the Grain Portion of the Diet. Product contains Salt (Sodium Chloride), Potassium Chloride, Dextrose, Calcium Acetate, Calcium Carbonate, Magnesium Oxide, Natural Flavors.