Which of the following ingredients in tea are considered beneficial to health? (Select all that apply.)

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Tannin, found in teas, inhibits iron absorption, particularly when tea and iron are consumed at the same time. Theanine is an amino acid used to treat anxiety and high blood pressure. Polyphenols in tea appear to possess antioxidant and antiinflammatory mechanisms. Flavonoids are well accepted as beneficial to overall health. Note that herbal teas have lower concentrations of antioxidants than green, white, black, or oolong teas.

Which of the Following Ingredients in Tea Are Considered Beneficial