MOD80 I doubt there is any oil in the tea, though some practitioners recommend it for “soothing” which might not be dependent on oil
here is a copy of the Nutrition panel of a peppermint tea box
Serving Size: 1 tea bag (2g)
Makes: 8 fl. oz.
Servings Per Container: 20
Amount Per Serving
Calories 0
% Daily Value*
Total Fat 0g 0%
Sodium 0mg 0%
Sugars 0g
Protein 0g