Water you buy in the store is not just hydrogen and oxygen. Here's why food producers add all those extra ingredients.
Magnesium, potassium, or sodium? Learn what each electrolyte does, signs of low levels, and when a supplement may help.
Medically reviewed by Maggie Moon, MS, RD Key Takeaways Coconut water is hydrating and rich in electrolytes like calcium, magnesium, potassium, and sodium.Herbal teas are mostly water and ...