* Immune Support* * 4% Echinacoside Plus 12% Oleuropein * Dietary Supplement Echinacea & Olive Leaf Extract formula uniquely provides dual standardized actives (4% echinacosides and 12% oleuropein) for potent support of the body"s natural immune defenses.* Our Echinacea & Olive Leaf extracts are carefully tested and produced to certified quality standards.