Check the listing for details. Proanthozone 20 Capsules for Medium Dogs (60 count). Condition: New. Listed at 30.17 USD. Proanthozone 20 Capsules for Medium Dogs (60 count) Proanthozone is an anti free-radical product containing bioflavanol that helps maintain healthy cells throughout the life of your pet. Bioflavanol from grape seed extract is one of the most potent antioxidants known to date. It scavenges free radicals plus inhibits enzymes that break down collagen. Proanthozone is helpful for the immune system, liver/kidney function, allergies and cardiovascular health. Directions & Dosage 10 - 20 lbs: 1 capsule every other day21 - 35 lbs: 1 capsule per day36 - 50 lbs: 2 capsules per day51 - 60 lbs: 2 capsules per day plus 1 extra every other day Ingredients Manganese - 1 mg, Zinc - 1 mg, Selenium - 0.02 mg, Vitamin A - 1000 IU,Vitamin E - 10 IU, Superoxide Dismutase* - 20 mg, Cysteine* - 20 mg, Bioflavanol* - 20 mg, & Glutathione* - 5 mg. Product Details BrandAnimal Health OptionsSize0.45 lbsManufacturerAnimal Health OptionsProduct TypePet Supplements And VitaminsMpn71019 Check out my other items. - Powered by