Our 100% Vegan Oils are pure Seabuckthorn with no additives or carrier oils. They are certified USDA Organic Oils and are the highest quality and purest oils available. We recommend !/2 Teaspoon of SBT Single Source Oil daily. This is the equivalent of approximately two grams of nutritionally dense Seabuckthorn Seed and Fruit Oil. Read more about the the powerful, therapeutic nutrition in these oils by clicking here.