Pedialyte AdvancedCare Plus Electrolyte Solution offers 33% more electrolytes to help prevent dehydration and help you feel better fast. From the #1 pharmacist and pediatrician recommended brand for hydration, Pedialyte AdvancedCare Plus has PreActiv Prebiotics to help support digestive health and is designed to help prevent dehydration† in children and adults more effectively than common beverages. * 60 mEq in original Pedialyte. **Studied in 40 healthy adults, Pedialyte helped maintain fluid status better than water over a 4-hour period, measured via beverage hydration index (Sollanek et al, 2018).