Sodium and potassium are essential electrolytes that maintain water distribution in the body but are lost through sweat during exercise. Gatorade contains 160 milligrams of sodium and 45 milligrams of potassium per serving, while Powerade contains 150 milligrams of sodium and 35 milligrams of potassium per serving.By comparison, Gatorade is slightly superior at replacing lost electrolytes.Powerade features added vitamin B-3, B-6 and B-12 for improved energy production and distribution in the body.y comparison, Gatorade is slightly superior at replacing lost electrolytes. Powerade features added vitamin B-3, B-6 and B-12 for improved energy production and distribution in the body.