CystoRenew by Douglas Labs is a supplement that is often taken by those who need support for the bladder. It supports the healthy function of the urinary tract. When the urinary tract and system are healthy. it can improve the overall quality of life. CystoRenew by Douglas Labs promotes the healthy aspects of the bladder so that there isn't a feeling of bloating or the urge to go to the bathroom on a frequent basis. Components of CystoRenew strengthen the walls of the bladder and promote natural contractions. There is also a flavonoid in the supplement that can increase the immunity levels in the body along with increasing the antihistamine levels. Nitric oxide is an ingredient in the supplement that promotes the relaxation of the smooth muscles in the bladder.