Cranberry juice and cystitis — which statement is correct?

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Prepare for the National Association of Nutritional Professionals (NANP) Domain IV Test. Review flashcards and multiple choice questions with detailed explanations. Get exam-ready!

Multiple Choice

Cranberry juice and cystitis — which statement is correct?

Explanation:
Cranberry’s protective effect against cystitis comes from compounds called A-type proanthocyanidins that interfere with the bacteria’s ability to stick to the lining of the urinary tract. This anti-adhesion action makes it harder for uropathogenic E. coli to colonize, which can help prevent infections or reduce recurrence for some people. It’s not about alkalinizing urine, nor does cranberry kill bacteria directly. So the best statement is that cranberry contains proanthocyanidins that interfere with bacterial adhesion, giving a preventive, not curative, effect.

Cranberry’s protective effect against cystitis comes from compounds called A-type proanthocyanidins that interfere with the bacteria’s ability to stick to the lining of the urinary tract. This anti-adhesion action makes it harder for uropathogenic E. coli to colonize, which can help prevent infections or reduce recurrence for some people. It’s not about alkalinizing urine, nor does cranberry kill bacteria directly. So the best statement is that cranberry contains proanthocyanidins that interfere with bacterial adhesion, giving a preventive, not curative, effect.

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