Thieves® is a legendary blend of essential oils is formulated with Clove, Lemon, Cinnamon Bark, Eucalyptus Radiata, and Rosemary, which provide immune support and cleansing properties when taken internally.* Thieves® essential oil blend is a powerful combination of Clove, Lemon, Cinnamon Bark, Eucalyptus Radiata, and Rosemary essential oils. Formulated by Young Living founder, D. Gary Young, this blend was created from research recorded in the archives of the British Museum library about a group of 14th-century European perfumers and spice traders who rubbed oils on themselves while they robbed the dead and dying. The first essential oil blend to be scientifically evaluated in a university research laboratory, Thieves has a rich, spicy aroma, and is a key ingredient in our Thieves Home Collection – you’re go-to for an invigorating clean, and healthy home. Thieves Vitality offers the key benefits of overall wellness and support for a healthy immune system.* Thieves and Thieves Vitality is the same essential oil blend.