These capsules contain cranberry extract to help prevent recurrent urinary tract infections. Prevention is the best medicine when it comes to urinary tract health. If you are prone to recurrent urinary infections, then this supplement may effectively control your kidney and bladder health. Each capsule provides the same protection as a 6-ounce glass of cranberry cocktail. Cranberry extract also helps maintain good bladder health, and neutralize E. coli and other bacteria.