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Pennyroyal
Mentha pulegium L.
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Quick Facts
A traditional emmenagogue and insect repellent. DANGEROUS - the essential oil has caused deaths. The herb was used historically for late menses but is too dangerous for modern use.
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Healing Properties
Treats & Supports
Important Safety Information
TOXIC. Essential oil is extremely dangerous - has caused deaths. Even the herb contains pulegone which is hepatotoxic and abortifacient. Can cause liver and kidney damage, seizures, coma, death. NEVER use internally. Historical use only. Many safer alternatives available.
Verified Medicinal Sources & Usage
Direct links to U.S. government health databases for Pennyroyal (Mentha pulegium L.). No commercial or third-party sources.
Peer-reviewed studies on medicinal properties & evidence
Active clinical trials, phases & safety markers
Federally funded research & biological mechanisms
Supplement labels, standard dosages & plant parts
Consumer usage instructions & safety (NIH)
Complementary & integrative health evidence (NIH)
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