Green tea is classified as a super anti-oxidant (Super Antioxidant) because it is more efficient than conventional antioxidant. The key ingredient in green tea is a natural substance that is poly phenols (Polyphenol) is an antioxidant, high performance poly-phenols inhibit the toxins that are harmful to the body, such as nitrosamines are. And (carcinogens) to fight against free radicals, and it wears down the chance to attack our cells.