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Cranberry juice

Cranberry juice, which helps limit bacterial growth, is best known for warding off urinary tract infections (UTIs), but its healing powers may not stop there. The tart juice appears to promote cardiovascular health, and preliminary research in petri dishes suggests that compounds in cranberries can even increase the effectiveness of certain ovarian cancer drugs.

As with OJ, though, you're better off sticking with small servings. Cranberry juice—not to be confused with cranberry juice cocktail—isn't as sugary as other fruit juices, but its high acidity can sometimes contribute to bladder problems besides UTIs.

Next: Cereal