doTERRA On Guard Protecting Throat Drops deliver CPTG Certified Pure Tested Grade® essential oils that can support your natural immune response in a convenient, safe lozenge. Blended in a base of organic cane sugar and brown rice syrup, these drops also include Wild Orange, Clove, Cinnamon Bark, Cassia, Eucalyptus, Rosemary, and Myrrh essential oils. They help manage throat discomfort and irritation. When taken internally, the natural properties provided by doTERRA On Guard Protective Blend can promote healthy immune system function.* These throat drops can complement a strong seasonal and environmental defensive health strategy.