Developed in 1995 by scientist and ultramarathoner Karl King, SUCCEED! Electrolyte Caps are 100% Electrolytes. The S! Caps label lists sodium as the element, 341 mg per capsule.  If you compare S! Caps to other products that list the sodium as sodium chloride, S! Caps supply 867 mg of sodium as sodium chloride. S! Caps is the ONLY electrolyte product that delivers the correct ratio of electrolytes (cations and anions). Alleviation of cramping Buffers to help stabilize the stomach Protection against potentially fatal hyponatremia Sodium and potassium in effective amounts Phospate and citrate for energy production Supplement Facts: Each bottle contains 100 1-gram capsules Amount  per capsule % Daily Value Sodium 341mg 13.6 Potassium 21mg 0.5