Quickly replaces electrolytes. With zinc for immune support. Advanced Rehydration: Pedialyte: Replaces electrolytes; Replenish zinc. Designed for fast, effective rehydration. Trusted by doctors and hospitals since 1966. Pedialyte is designed to help prevent dehydration (For mild to moderate dehydration) more effectively than common beverages. Level per liter: Pedialyte AdvancedCare. Pedialyte & Pedialyte AdvanceCare. Sports drinks. Soda. 100% apple juice. Water. Electrolyte sodium in Pedialyte compare to common beverages. Pedialyte quickly replenishes fluids, zinc, and electrolytes to help prevent dehydration due to. Vomiting & diarrhea, heat exhaustion, intense exercise, travel.