Walk into a grocery store today and you’ll probably find a can of something called probiotic soda, the biggest health-food hit in the soda aisle since sparkling water and Diet Coke. But what exactly is a probiotic soda supposed to do for you? And are they actually good for your health, or just another low-calorie flash in the pan?

Learn more about your ad choices. Visit podcastchoices.com/adchoices