The inviting promise of the sodas, which are available in delectable varieties like Orange Cream and Cherry Vanilla, is that they are healthy for your stomach. Prebiotic soft drink companies like Poppi and Olipop have benefited from that pitch by standing out in the soda section.
Prebiotics, or dietary fibers that are indigestible to humans but can nourish the good bacteria in our stomachs, are present in the drinks, according to Hannah Holscher, an associate professor of nutrition at the University of Illinois Urbana-Champaign. (In contrast, probiotic products have live microorganisms.)
However, nutritionists assert that you can have those advantages without a particular soda: Rich in prebiotic fibers by nature, many foods include garlic, onions, peas, beans, lentils, grains, and some fruits.
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