Those made from blue corn have 20 percent more protein than their white corn counterparts, finds a study in the Journal of the Science of Food and Agriculture. The tinted snack gets its blue hue from anthocyanins, disease-fighting compounds also found in blueberries and red wine. Still, they have 140 calories and 7 grams of fat per 15-chip serving, so stop at a handful and scoop up salsa rather than creamy dips.

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