The olive leaf is known for its positive influence on the well being and health.
The primary medically relevant substances in unprocessed olive leaves are the antioxidants oleuropein and hydroxytryrosol. In addition, the leaves contain other polyphenols and flavanoids including oleocanthal.
Oleuropein is one of the most important substances of the olive tree, which has antibacterial, antiviral, and antifungal properties. This bitter substance is even responsible for the high resistance of the olive tree.
... pure olive leaves are a strong antioxidant.