Solaray's Olive Leaf 410 mg is a nutritional supplement containing olive leaf extract. Olive leaf extract has been traditionally used for its potential health benefits. Olive Leaf Extract: Each Olive Leaf 410mg capsule contains 410mg of olive leaf extract, which has been used for its potential antioxidant and anti-inflammatory properties. Potential benefits: Olive leaf extract has been associated with potential health benefits, such as immune system support, cardiovascular health, and blood pressure reduction. Instructions: Use only as directed. Take 1 capsule three times a day with a meal or a glass of water. Store in a cool, dry place.