(Pro Labs) Flex Rx Joint Care for Dogs improves and maintains joint health by blocking the production of compounds that cause inflammation and damage. Flex Rx manages joint health at the metabolic level by slowing the processes that cause osteoarthritis. Flex Rx contains natural flavonoids baicalin and catechin, which combine to suppress COX-1, COX-2 and 5-LOX enzymes. Powerful antioxidant effect helps protect cells and cartilage from oxidative damage. In clinical trials, significant improvement was visible after one month. 250 mg flavonoid complex per tablet. Daily dosage: 10-50 lbs., 1/2 tablet; 51-100 lbs., 1 tablet; over 100 lbs., 1 1/2 tablets. Poultry liver flavor tablet.