Naturally promote bladder and urinary tract health with Fera's Bladder Support, a holistic formula that includes both Eastern and Western ingredients.We guarantee 16mgs of proanthocyanidins (PACs) which are the active component in cranberries that supports bladder health. Cranberries contain A-type proanthocyanidins, which have antioxidant-like effects, protecting the urinary tract from harmful free radicals. D-mannose is a naturally occurring simple sugar that the body utilizes to help maintain a healthy bladder lining.We also include organic marshmallow root, organic astragalus and organic stinging nettle root to support the immune system and promote a normal inflammatory response. Bladder Health: Promotes optimal bladder health and function. Urine Health: Supports normal urine PH. Immunity: Boosts and enhances the immune system. *Do not use in pets prone to urate or calcium oxalate stones Our proprietary blend features organic cranberry, D-mannose and other organic botanicals that: Support Bladder Health Maintain Normal Urine pH Maintain Normal Function of the Urinary Tract Support Normal Renal Function & Health