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1. Super juices
The claim: These elixirs, extracted from acai, goji berry, mangosteen and other exotic fruits, tout extraordinary antioxidant levels and claim to burn fat, cleanse toxins and fight the flu. Often fortified with extra nutrients and sold online or through distributors, the juices can be quite costly.
Why they're overrated: You're paying more for the marketing than the value of what's inside the bottle, said dietitian Leslie Bonci, director of sports nutrition at the University of Pittsburgh Medical Center. "It's a pricey way to get your antioxidants," she said. "You'd be better off with a glass of orange juice and simply add more color on your plate." Even the antioxidant levels in many of these superjuices have been questioned. Some studies have revealed that the amounts are comparable to apple juice.
Bottom line: Buy a less expensive juice at the grocery store and eat whole fruit more often. Limit juice to one glass (8 ounces or less) a day.
December 14, 2009