New & Improved Dietary Supplement Guaranteed Potency Green Screened 98% Polyphenols & 50% EGCG De-CaffeinatedDiscussion: The unique processing of green tea extract retains many of the active properties of the fresh leaf. The polyphenols of green tea have been the subject of numerous clinical studies regarding their potential to contribute to general health and well-being. Solaray Green Tea Extract is decaffeinated.