Lamiaceae Pennyroyal vs Xysmalobium Undulatum

Side-by-side comparison of medicinal herbs

Herb

Lamiaceae Pennyroyal

Mentha pulegium

Digestive

Xysmalobium undulatum

Digestive

Lamiaceae Pennyroyal

❌ Not recommended in pregnancy

❌ Not recommended while nursing

Xysmalobium Undulatum

❌ Not recommended in pregnancy

❌ Not recommended while nursing

Description

Mint-family herb used in European and Native American traditions for digestive conditions and insect repellent - toxic in high doses.

South African perennial plant used in traditional Zulu medicine and commercially formulated as an antidiarrheal remedy in Germany.

Active Compounds

pulegone, menthol, isomenthone, terpenes

uzarin, xysmalorin, pregnane glycosides, cardenolides

Traditional Uses

insect repellent in European folk medicine, digestive spasms remedy, menstrual stimulant use

diarrhea, dysentery, digestive cramps, stomachache

Modern Uses

carminative, insect repellent, emmenagogue

antidiarrheal, antispasmodic, gastrointestinal support

Adult Dosage

Very small amounts only; 1-2g dried herb max

40mg uzarin extract (standardized) 3–4x daily

Contraindications

pregnancy - abortifacient, liver disease, children

cardiac glycoside therapy, pregnancy, children, digitalis use

Side Effects

hepatotoxicity, severe toxicity in large doses

nausea, headache, cardiac effects with overdose

Drug Interactions

0 known interactions

Reviewed by: HerbAlly Editorial Team, Medical herbalists and healthcare professionals

Sources: WHO Monographs · NCCIH · PubMed · Commission E