Cranberries help support the integrity of bladder walls to promote urinary health. This product also contains vitamin c to support immune function. Solgar natural cranberry is derived exclusively from whole cranberries. These solgar natural cranberry vegetable capsules also contain vitamin c. Vitamin c plays an essential role in the functioning of white blood cells which are vital components of the immune system, providing support to positive immune function. It is relatively well known that cranberries help to support the integrity of the bladder walls in order to promote bladder and urinary health. Solgar natural cranberry with vitamin c vegetable capsules are derived exclusively from whole, natural cranberries. Free of gluten, wheat, yeast, sugar, salt, artificial flavors, artificial sweeteners, artificial preservatives, artificial colors.