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  • Mentha pulegium
  • Origin: Croatia


Common Name

Standardized: European pennyroyal

Botanical Name

Mentha pulegium L.
Plant Family: Lamiaceae


Pennyroyal is the smallest of the mint family, and has some very distinctive properties. The taste and odor of pennyroyal is stronger and far more pungent than other mints, which makes it disagreeable to many people. It's also disagreeable to insects.

The use of pennyroyal oil in products has become controversial when products using the oil were implicated in the deaths of two women. The herb is known to be toxic when taken in large doses, and skin contact with the pure oil can cause dermatitis.

Parts Used

The entire aerial portion, preferably in the flowering stage.

Typical Preparations

Usually as a tea but sometimes in extract and seldom in capsules. Topically the oil or fresh herb can be used.


Pennyroyal is a good herb to plant in gardens to keep bugs away.


Specific: Not for use during pregnancy or lactation. Not recommended for use in persons with liver or kidney disease. Not recommended for use in children and infants.
General: We recommend that you consult with a qualified healthcare practitioner before using herbal products, particularly if you are pregnant, nursing, or on any medications.

For educational purposes only. This information has not been evaluated by the Food and Drug Administration.
This information is not intended to diagnose, treat, cure, or prevent any disease.