The doTERRA Breathe essential oil blend is one of doTERRA's most popular and has helped many people with oils such as Lemon, Peppermint, Eucalyptus and Cardamom. doTERRA Breathe natural drops are a combination of selected essential oils presented in a convenient and practical way for you to enjoy the benefits they bring. The benefits of Lemon, Peppermint, Eucalyptus, Thyme, Melissa and Cardamom essential oils can be deliciously felt when you taste one of these drops.