Ingredients that support immune health naturally, like citrus fruits, matcha, turmeric and probiotics are on the rise, says Holly McHugh, marketing associate at Niles, Ill.-based Imbibe. Up-and-coming ingredients include mushrooms like chaga and reshi, and cascara, which is derived from the dried skins of coffee cherries.

“Probiotics sales have soared because they aid with digestive health, and 70 percent of our immune system is housed in our gut,” McHugh says. “Matcha has also exploded in popularity because it a natural source of caffeine, and is also high in antioxidants, especially [Epigallocatechin gallate] (EGCG) which increases T-cell production to reduce inflammation and fight pathogens.”

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