Broccoli

High in vitamins A and C, broccoli is another low-carbohydrate, low-calorie, high-fiber food that has antioxidant and anti-cancer properties, McLaughlin says. Broccoli also is very filling, a plus for people who need to lose weight. "Try eating a six-inch salad plate full of cooked broccoli," she says. "It will fill you up and give you 75 calories at most."

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