What does science say about the ingredients in functional beverages?
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Functional beverages — or drinks promoted as offering mental or physical benefits beyond hydration — are growing in popularity around the world. Examples include American and Asian ginseng (an herb), ashwagandha (an evergreen shrub), eleuthero (a shrub), Rhodiola rosea (a flowering plant) and chaga (a mushroom). The Cleveland Clinic says adaptogens are known to trigger chemical reactions that can return the body to a more balanced state.

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