Walmark Urinal Akut – Cranberry fruits are a rich source of bioflavonoids and of other natural phenolic compounds. Urinal Akut CystiCran (the active ingredient), is a concentrated form of the extract from cranberry (Vaccinium macrocarpon). CystiCran is manufactured by processing a single form of the active substance, which ensures a high content of proanthocyanidins. Urinal Akut is made using cranberry varieties grown in North America, carefully selected. Contains Vitamin D – Known to help in medical treatments of the urinary tract – a good cranberry extract in our food supplement comparison reviews.