What is Green Tea Extract? Green Tea has a polyphenol content of 30mg per serving and GTE of 50mg. Benefits of Green Tea Extract Green Tea Extract is 50mg per serving with a caffeine content of 4mg. Who is Green Tea Extract suitable for? This dietary supplement can be taken by all, 1 capsule up to 3 times per day. *This statement has not been approved by the FDA Please note that the labelling on this product is provided in English as a minimum. French, Italian, German, Spanish, Danish, Swedish and Finnish may also be present on a product by product basis.