Are antioxidants important for maintaining good health? Green Tea. Dark chocolate. Pomegranate juice. You've probably heard from food marketers claiming they contain loads of health boosting ‘antioxidants’. It’d be a good excuse if something as delicious as dark chocolate could be healthy! So what does the evidence say about antioxidants in food? Are they important? Should we seek out antioxidant-rich 'superfoods' or supplements?