Science-Based Nutrition Helps Support Urinary Tract Health Dietary Supplement Non-GMO - Gluten Free - Soy Free - Vegan Helps Support Urinary Tract Health 3x PACs Per Capsule 200:1 Whole Fruit Extract Doctor's Best Cranberry with Cranberex is an ultra-concentrated, whole fruit extract (200:1) of Oregon Cranberries to support urinary tract health. This formula is standardized to contain 15 percent Proanthocyanidins (PACs). PACs derived from cranberry are responsible for their microbial anti-adhesive benefits.