Comvita Fresh-Picked Olive Leaf Extract is grown, harvested and extracted fresh on our farm in Queensland. Our fresh leaf extraction system locks in Oleuropein plus at least 11 other naturally occurring polyphenols. Our Fresh-Picked symbol is your assurance of purity and our promise that every drop is our very own. POWERFUL ANTIOXIDANT: Comvita Fresh-Picked Olive Leaf Extract is a powerful antioxidant with five times more antioxidant activity than the equivalent amount of Vitamin C (as ascorbic acid), based on the ORAC test method. COUGHS, COLDS & FLU: Olive Leaf Extract is traditionally used to relieve symptoms of coughs, colds & flus, sore throats and upper respiratory tract infections. IMMUNE SUPPORT: Olive Leaf Extract is traditionally used to support the immune system. BLOOD SUGAR SUPPORT: Comvita Fresh-Picked Olive Leaf Extract is also clinically researched to assist in the maintenance of normal blood glucose balance in healthy individuals.