What Is Olive Leaf Extract? Olive leaf extract is made from the leaf of the olive tree (Olea europea). Olive is a small tree in the Oleaceae family native to the Mediterranean and southern Asia. The fruits (olives) are a popular part of Mediterranean cuisine, and the leaves have been used for centuries for their purported health benefits. This olive leaf extract is standardized to a minimum of 20% oleuropein, one of the compounds found in olive leaves that may have health benefits. Olive Leaf Extract Benefits † Olive leaf extract is heart-healthy and supports cardiovascular function. It supports the brain and joints and may also help in maintaining glucose levels in already healthy individuals when taken in conjunction with a healthy diet & exercise. Rich in Antioxidants Fat burner Heart healthy Promotes cardiovascular health Supports the brain Fortifies the joints May help in maintaining glucose levels in already healthy individuals when taken in conjunction with a healthy diet & exercise Standardized to 20% oleuropein