Urinary tract infections are one of the scourges of womanhood and many of us suffer recurrent symptoms on a regular basis cys control is the first ever cranberry based food supplement to be registered as an official medical device it not only helps to knock cystitis type urinary infections on the head but also helps prevent recurrence so its definitely one for the medicine cabinet it works by helping to reduce the attachment of certain e coli bacteria to the walls of the urinary tract