The present invention relates to rosmarinic acid for use in a method for smoker dehabituation, wherein the rosmarinic acid is preferably in the form of a dried, aqueous extract of leaves of lemon balm (Melissa officinalis). In addition, the present invention relates to foods and food supplements for use in a method for smoker dehabituation, wherein these foods and food supplements contain rosmarinic acid, in particular rosmarinic acid in the form of a dried, aqueous extract of leaves of lemon balm (Melissa officinalis).