Information Reviews Ask Dr. Dan Product Description Karuna Olive Leaf Extract contains olive leaf extract and other ingredients to support normal glucose tolerance and inhibit microbial metabolism. Recommended use: is one capsule two times daily or as recommended by your health care professional. Label Information Karuna Olive Leaf Extract Facts: 1 capsule contains: Olive Leaf Extract (Olea europaea) 500mg Also includes: Vegetarian capsule, silica.