Antioxidants have disease-fighting properties that protect cells from harmful free radicals.  Free radicals and oxidative stress are believed to contribute adversely to aging and certain diseases such as cardiovascular disease, certain (epithelial) cancers and visual impairments (AMD and cataract), neurodegenerative diseases (e.g., Alzheimer diseases) and adult diabetes.  Antioxidants work by neutralizing free radicals thus help to maintain healthy cells and immune system and reduce the risk for cancer and other diseases. To learn more about antioxidants,  click here.