Ocu-GLO Soft Chews for Medium to Large Dogs is a blend of different antioxidants that complement traditional therapy. This supplement is formulated to protect vital cells in the eye against free radical damage to support cellular health and normal eye cell function. This formula includes Grape Seed Extract, Lutein and Omega-3 Fatty Acids. It also includes Astaxanthin for enhanced antioxidant support! Our Soft Chews are optimal for pets with sensitive mouths or GI tracts. It is safe for perioperative use in dogs.