Olea europaea, commonly known as olive, is a species of small trees in the family Oleaceae. The tree is native to the Mediterranean basin and its fruit, being the most foraged part of the tree, is the source of olive oil, a staple in Mediterranean cuisine. The olive leaf has many health benefits including its ability to lower blood pressure and help promote circulatory system health. The herb has natural anti-bacterial properties that can help treat bacterial sexual transmitted diseases and when taken orally, can help stop tooth decay.