Bio-Kult Pro-Cyan is an advanced triple action formulation containing cranberry extract and two specifically selected strains of live bacteria, which are proven to survive the acidity of the stomach. Bio-Kult Pro-Cyan also contains vitamin A, which contributes to the normal function of the immune system and the maintenance of mucous membranes which can be found lining the urinary tract. Bio-Kult Pro-Cyan does not need to be refrigerated and is suitable for vegetarians.