D-Mannose & Cranberry Stick Packs for Urinary Tract Health When combating or preventing urinary tract infections, it's always a great strategy to go the extra mile. One of the ways to do so is by getting nutrients that have been clinically proven to flush out harmful bacteria from the urinary tract. That's why Happy V® D-Mannose & Cranberry Stick Packs contain PaCran®! This standardized blend of cranberries delivers the equivalent amount of proanthocyanins (awesome antioxidants) you would get from 25,000 mg of cranberries in our cranberry capsules. What's even better? PaCran® is clinically studied to support urinary tract health and promote long-term wellness.