There seems to be some confusion that we want to clear up...MOTOR TABS Fluid Replacement System is a true sports drink. It contains sodium/potassium (commonly referred to as `electrolytes`) and carbohydrates. When you sweat, you lose sodium and potassium. MOTOR TABS replenishes what`s lost in sweat. MOTOR TABS tablets do NOT contain caffeine or any stimulants. It is not in any way like a canned energy drink. Thank you for your support! Team MOTOR TABS