Lisa is a healthy nonpregnant adult woman who recently had a urinary tract infection (UTI). She is asking about drinking cranberry juice to prevent a recurrence of the UTI. The correct answer to give her would be:

Question Options:

1. Sixteen ounces per day of cranberry juice cocktail will prevent UTIs.

2. 100% cranberry juice or cranberry juice extract may decrease UTIs in some patients.

3. There is no evidence that cranberry juice helps prevent UTIs.

4. Cranberry juice only works to prevent UTIs in children.

100% cranberry juice or cranberry juice extract may decrease UTIs in some patients.

Cranberry juice is the unfermented juice of squeezed cranberries, often mixed with water and a sweetener, used as a beverage. One half cup of cranberry juice provides 60 calories, 20% of the Daily Value for vitamin C, and counts as one-half of a fruit serving.