Cell Advance™ a superior antioxidant formula with 20 synergistic nutrients designed to prevent free radical damage in dogs.* Cell Advance™ contains the most complete antioxidant defense system, including Vitamins A, C, and E; Coenzyme Q10 to promote cellular energy and immune system function; super oxide dismutase (SOD) to deactivate super oxides; glutathione peroxidase and catalase to protect against specific free radicals in combination with specific amino acids and minerals to enhance effectiveness.* Cell Advance 880 (120 capsules) Regular price: $28.50 Sale price: $24.99 Cell Advance 440 (60 capsules) Regular price: $12.95 Sale price: $11.99