Euro Nutrador olive leaf extract capsules: your natural ally for immunodeficiency and viral diseases Discover the power of olive leaf extract Olive leaf extract, recognized worldwide as one of the most well-known plant extracts, is an essential part of a health-conscious diet. Euro Nutrador B.V. olive leaf extract capsules contain oleuropein, a valuable secondary plant substance known for its antioxidant and anti-inflammatory properties. The versatile benefits of olive leaf extract * Rich in oleuropein: supports the immune system and acts as an antioxidant.