Immune Guard® is a patent-pending combination of natural ingredients, polyphenols, decaffeinated EGCg as Sunphenon 90DCF®, (standardized 50%), L-theanine as Suntheanine® (standardized 98%), proven to work together to keep your immune system healthy. A double-blind, placebo-controlled study conducted at the University of Florida showed that Immune Guard® signifigantly decreased the incidence and duration of cold symptoms. A daily portion, provided as 2 capsules, contains all of the active ingredients from 10 cups of decaffeinated green tea. No other green tea product contains this combination. 60 capsules per bottle