What Are Antioxidants? (Infographic)

List of Best Sources

They say an apple a day keeps the doctor away. Northwestern Medicine Cardiologist Clyde W. Yancy, MD, echoes a similar sentiment saying, “Never walk by an apple without eating it.” Apples are chock-full of nutrients, including a group of phytochemicals called flavonoids, which are antioxidants found primarily in the skin of the apple.  

Antioxidants are chemicals that block harmful chemicals called free radicals, which can lead to increased risk for diabetes, heart disease and cancer. Although antioxidants come in many forms — including enzymes, vitamins and minerals — fruits and vegetables are among some of the best sources. “Never miss the opportunity to eat fruit and vegetables, which are always the healthier options,” adds Dr. Yancy. 

Here are some foods loaded with antioxidants: 


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Clyde W. Yancy, MD
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