As its name implies, olive leaf is actually the leaf from the olive tree- the scientifc name is Olea europaea. As you know, olive oil is known for its health benefits as well as its taste. The leaf of the olive has actually been used for medical purposes throughout time around the world. Olive leaf as well as olive leaf extracts, also known as OLE, are currently marketed as having anti-aging benefits, immunostimulator affect, and even antibiotic properties. Clinical evidence has indicated that carefully extracted Olive Leaf extracts even have blood pressure lowering properties. Bioassays also show its antibacterial properties as well as the antifungal and anti-inflammatory properties that the extract has at a lab level. A liquid extract that is made directly from the fresh olive leaves has recently garnered international acclaim when it was indicated to have almost twice the antioxidant properties that green tea extract does and 400% higher than that of Vitamin C.
Olive Leaf Extract Benefits 
Olive leaf and extracts are commonly used in the holistic and natural medicine arena because it is thought to serve as a natural killer of pathogens because it slows down the process of replication for many pathogens.
What about olive leaf extract cures? Olive leaf is frequently used to fight influenza and flu, yeast infections, as well as viral infections like the difficult to treat Epstein-Barr disease, herpes simplex and shingles. Olive leaf is also beneficial for the heart. It has been shown to lower low density lipoproteins (LDL), also known as bad cholesterol. Researchers have also noted that olive leaf can lower blood pressure and increase the flow of blood because it relaxes the arteries.
You have probably heard about the benefits of olive leaf extract. Olive leaf contains antioxidant effects that can help protect your body from the continuous impact of free radicals on your body. Free radicals are extremely reactive chemical substances that once oxidized, can create damage to your cells if left alone. Recent research on the olive leaf have shown its antioxidant properties to have an effect when treating some kinds of tumors and cancer like liver cancer, prostate, as well as breast cancer but remember that the research about this is at a preliminary stage.
You can take olive leaf as a concentrated liquid, dried tea leaves, a powder, or even in pill form. You can take the extracts of the leaf in powder form, as a liquid concentrate, or in the form of a capsule. But the extracts from the freshly picked leaves are increasing popularity quickly since they contain a wider range of compounds with healing properties.