Burke offered her top picks for natural sources: “Watermelon and cucumbers are more than 90% water, which makes them a refreshing snack option to replenish fluids and electrolytes.

Electrolytes are important for many bodily functions, such as fluid balance and muscle contractions. ... Sports drinks may be tolerated by older children if diluted to 1 part water, ...

All-natural homemade electrolyte drink. Ingredients: Freshly squeezed orange juice - 1/2 cup, freshly squeezed lemon juice - 1/4 cup, freshly squeezed lime juice - 1/4 cup, mineral salt - 1/4tsp ...