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Cranberry

What it’s good for
Cranberry is used as a prevention of urinary tract infections. It prevents bacteria from remaining in the urethra and bladder, but once the infection sets in, cranberry cannot provide relief.

Where to find it
Cranberry juice and dried cranberry fruit are good sources, plus most major health food stores carry this popular supplement.
How to take it
Cranberry extract tablets: 300 to 400 mg twice daily; unsweetened juice: 8 oz three times daily
Safety
If you have a stomach ulcer or acid reflux, the acidity in cranberry could make these conditions worse.