Oliver Extract Hydroxytyrosol HPLC 20%, 50%, 90%, 95%,98%,99% Usage: Oliver Extract Hydroxytyrosol has a powerful antioxidant properties. After gallic acid, hydroxytyrosol is believed to be one of the most powerful antioxidants. Its oxygen radical absorbance capacity is ten times higher than green tea, and two times higher than CoQ10. The olives, leaves and olive pulp contain a little levels of hydroxytyrosol. Studies have showed that low dose of hydroxytyrosol reduces the consequences of sidestream[...]