Healthy Urinary Tract With Uva Ursi & Grape Seed Extracts Cleanses The Urinary Tract A Dietary Supplement Vegetarian - Vegan Botanicals/Herbs Family Owned Since 1968 GMP Quality Assured Cranberry has become an essential component in the promotion of sound urinary tract health. NOW Standardized Cranberry has naturally occurring compounds called proanthocyanidins (PACs) that exhibit anti-adhesion properties in the urinary tract and help to maintain a clean waste stream. This product makes it simple to support healthy urinary tract function, with each serving delivering 1,000 mg of Cranberry standardized to a minimum 1.5% PACs. For added support, we've also included 300 mg of Uva Ursi Extract and 45 mg of Grape Seed Extract.