Value Size Single Herbs Supports a Healthy Response to Stress Dietary Supplement Holy Basil Leaf Holy Basil supports a health response to stress, while nourishing the mind and elevating the spirit. Gaia Herbs uses dual extraction technology to deliver the broad spectrum of herbal constituents within Holy Basil Leaf. Supercritical extraction provides fat-soluble constituents, while water-soluble constituents are extracted with water and alcohol.Gaia Herbs