🌢️Latin American CuranderismoπŸŒ„Mapuche Medicine

Poleo (Pennyroyal)

Mentha pulegium

About Poleo (Pennyroyal)

Poleo (Pennyroyal) (Mentha pulegium) is a herb used in the Latin American Curanderismo and Mapuche Medicine traditions to help with Menstrual Issues, Digestive Issues, Cold, and Headache, among 2 other conditions it addresses. The aerial parts and leaves are the parts traditionally used, taken internally.

Botanical background

Mentha pulegium, commonly (European) pennyroyal, or pennyrile, also called squaw mint, mosquito plant and pudding grass, is a species of flowering plant in the mint family, Lamiaceae, native to Europe, North Africa, and the Middle East. Crushed pennyroyal leaves emit a very strong fragrance similar to spearmint. Pennyroyal is a traditional folk remedy, emmenagogue, abortifacient, and culinary herb, but is toxic to the liver and has caused some deaths. European pennyroyal is related to an American

Source: Wikipedia, via iNaturalist

Parts used

Aerial Parts Β· internalLeaves Β· internal
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Tea / Infusion

1–3 cups daily
  • Steep 1–2 tsp of dried Poleo (Pennyroyal) in freshly boiled water for 5–10 minutes.
  • Cover while steeping.
  • Strain and drink.
πŸ’§

Tincture

20–40 drops in water, 2–3Γ— daily
  • Pack dried Poleo (Pennyroyal) into a jar and cover with 40–60% alcohol.
  • Seal and steep for 4–6 weeks, shaking daily.
  • Strain and store in a dark dropper bottle.
πŸ’Š

Powder / Capsule

500 mg – 1 g, 1–3Γ— daily
  • Grind dried Poleo (Pennyroyal) into a fine powder.
  • Fill size 00 capsules or stir into smoothies or honey.
♨️

Steam Inhalation

1–2Γ— daily during acute symptoms
  • Add 2–3 tbsp of Poleo (Pennyroyal) to a bowl of just-boiled water.
  • Drape a towel over your head and inhale steam for 5–10 minutes.

Contraindications

  • Pregnancy β€” may stimulate uterine contractions (avoid entirely)
  • Children under 12 β€” therapeutic dosage not established

Warnings

β›” Pregnancy & Breastfeeding

Avoid use during pregnancy or breastfeeding unless under direct supervision of a qualified healthcare provider.

⚠️ Allergic Reactions

Discontinue immediately if you experience rash, itching, swelling, or difficulty breathing.

⚠️ Not Medical Advice

This information is for educational purposes only. Always consult a qualified healthcare provider before using herbal remedies.

Drug & herb interactions

May affect hormone levels

Watch for: Hormone therapies, oral contraceptives, and tamoxifen or similar medications

Some herbs have mild phytoestrogenic or hormone-modulating activity that can interact with hormonal medications.

Where to find in nature

Native region

Mexico, Central America, Caribbean

Climate

Tropical to semi-arid

Habitat

Tropical forests, highland plateaus, and healing plant markets of Latin America

🌿 To see Poleo (Pennyroyal) growing, visit botanical gardens, university plant collections, or specialist herb nurseries near you. If foraging in the wild, always work with an expert identifier β€” never consume a plant you are not 100% certain of.

Where to buy

In store

  • Latin American botanicas (herbal apothecaries)
  • Mexican and Central American grocery stores and markets
  • Health food stores (Whole Foods, Natural Grocers, Holland & Barrett, GNC)
  • Naturopathic clinics and integrative medicine practices
  • Specialist herbal apothecaries and herbalist practices

Online

iHerb

Wide selection of standardised extracts, capsules, and powders with lab testing

Mountain Rose Herbs

Premium bulk dried herbs β€” certified organic, ethically sourced

Starwest Botanicals

Large selection of certified organic bulk herbs and powders

Herb Pharm

High-quality liquid extracts and tinctures, rigorous quality standards

Amazon

Convenient β€” verify brand certifications and check third-party testing

Etsy

Small-batch artisan herbalists, hand-harvested and wildcrafted herbs

Quality tips

When buying Poleo (Pennyroyal), look for: certified organic labelling, clearly stated country of origin, third-party lab testing for heavy metals and pesticides, and a batch expiry date. Standardised extracts offer consistent dosing; bulk dried herbs are more economical for regular use. Avoid very cheap, unlabelled products β€” quality varies enormously.