Question: is on guard like thieves?
Answer: doTERRA “OnGuard” Blend The doTERRA OnGuard blend also has 5 essential oils in it, and 4 of them are the same as in Thieves. The only difference here is the use of Wild Orange instead of Lemon. Clove, Cinnamon, Eucalyptus and Rosemary are used the same as in Thieves.