In the simplest definition possible, Svetol is a kind of polyphenol, found in green coffee - coffee beans that have not been roasted (pictured below) - with extremely effective anti-oxidant properties.
Polyphenol is category of a chemical substance found in plants. If you wish to find out more about Polyphenol, please visit its Wiki for detailed explanation as it is not possible to explain polyphenol in layman terms.
Svetol combats harmful reactive oxygen which start oxidation reactions and creates free radicals. Oxidation damages your cells – causing aging and sickness. Free radicals may be far more devastating, damaging your DNA – thereby causing life-threatening cancer.