How much cranberry juice should you drink?
Asked by on Nov 11, 2009
People who have never had a urinary tract infections (UTI) should not feel compelled to drink cranberry juice, although it won't hurt. It is unclear how much cranberry juice a woman should drink to prevent UTIs. In the various studies, effective doses of pure cranberry juice (not cranberry juice drink) have ranged from 5 to 24-ounces a day. A study on humans published in JAMA found that 8 oz of cranberry juice cocktail was enough to prevent 79% of antibiotic resistant bacteria from sticking to urinary tract cells for up to 10 hours; however, a review article published in American Family Physician recommended an 8 ounce dose of pure unsweetened cranberry juice three times daily for UTI prevention.
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