Comvita Olive Leaf Complex Capsules contain Olive Leaf Extract made from fresh olive leaves, grown and packed on our own olive estate. - Every day Antioxidant and Immune Support - 400% greater antioxidant power than Vitamin C - Powerful free radical scavenging ability. - Our unique extraction system provides the combination of 12 key naturally occurring polyphenolic antioxidants (Synergy 12?).