ProHealth's Hydroxytyrosol Extreme contains 25mg of hydroxytyrosol per capsule, derived from cultivated organic olive leaf. Olea25 Proprietary Extraction Process Olea25 is the result of a unique patent pending production and purification process that yields an unprecedented 25% hydroxytyrosol content. The Oleuropein has been completely transferred through a biotransformation process into the bioactive hydroxytyrosol. No Oleuropein residue remains in final product. Hydroxytyrosol Extreme with Olea25 by ProHealth is Non-GMO gluten free and sugar free. *These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.