Check the listing for details. PeakTails Antioxidant for dogs - Immune Support. Condition: New. Listed at 24.95 USD. Our PeakTails Antioxidant is great for dogs that deal with seasonal allergies and a weak immune system. PeakTails Antioxidant reduces cellular damage caused by free radicals, slows the aging process, and may help protect body cells and tissues.PeakTails Antioxidant supplements adhere to stringent label requirements and random third-party product testing. Made in the USA with premium domestic and imported ingredients. PRODUCT OVERVIEW•Boosts immune response by eliminating free radicals•Magnifies natural healing capabilities•For puppies 6 to 16 weeks of age with a vulnerable immune system•Great for dogs that suffer from seasonal allergies•Pawsitively tasty! Contains natural chicken flavor for maximum palatability Key Benefits:•MSM Methylsulfonylmethane (OptiMSM®) Essential for the production of glutathione, one of the body’s most important and potent antioxidants. •Superoxide Dismutase (Bovine Source) Breaks down superoxide free radicals of oxygen formed during normal metabolic cell processes to oxygen and hydrogen peroxide and protects the body from oxidative stress and tissue damage. • Selenium Protects cells from free radical damage, slows cellular aging, promotes and preserves tissue elasticity, and induces a normal inflammatory response. •Vitamin EActs as an antioxidant against free radicals, slows cellular aging caused by oxidation, and strengthens the cardiovascular and immune system, liver, muscles, and nerve cell membranes. • Vitamin C (Ester-C®)Includes patented, non-acidic vitamin C with metabolites that do not upset a pet’s stomach and boosts immune health by digesting much longer than ordinary vitamin C.