One essential way to keep your immune system and body running strong is by staying hydrated with plenty of water. That said, while water is crucial to our well-being, sometimes we want something a little more fun to sip that still supports our health goals. Luckily, plenty of beverage brands now offer some fantastic functional, healthy drinks—from soda alternatives to vitamin-rich seltzers. Here, we've compiled some of our favorites on the market right now to help you drink to your health, literally.