Olive leaves have been widely used in the traditional remedies of many nations in the Mediterranean region. H.S. Olive Leaf Extract of Australia is a natural herbal traditional medicine for your daily diet. LITNA H.S. Olive Leaf Extract contains a range of natural antioxidants sourced from fresh olive leaves. LITNA H.S. Olive Leaf Extract (Olea europaea) has been traditionally used for improving blood circulation and for relief of cough, cold and fever. To ensure a natural olive leaf extract, we have established a system to grow, harvest, process and package all of our fresh olive leaves and extract in a single estate.