Antioxidants are a group of compounds that destroy single oxygen molecules, also called free radicals or we can say Antioxidants protect the body from damage caused by harmful molecules called free radicals. The best sources of antioxidants are fruits and vegetables, and for this reason most of us take a multi-vitamin every day and some take an additional dose of one of the antioxidants. Antioxidants are bioactive compounds in foods that play an active role in the human body.( Read Antioxidant More Info..)