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Pennyroyal: Properties, Benefits, Contraindications, and How to Prepare It as an Infusion

pennyroyal mint

What is pennyroyal mint and what is it for?

Pennyroyal mint (Mentha pulegium) is an aromatic plant from the Lamiaceae family, native to the Mediterranean basin and highly appreciated for its fresh, intense aroma. Since ancient times it has been used both in cooking and in natural medicine, mainly as an infusion. It helps support digestion and relieve stomach discomfort such as gas or cramps, aids in cases of colds and congestion thanks to its expectorant effect, and provides a sense of calm that helps reduce stress and promote rest. It has also traditionally been used to ease menstrual discomfort and improve overall wellbeing thanks to its antiseptic and relaxing properties.

Properties of pennyroyal mint

Pennyroyal mint (Mentha pulegium) contains essential oils such as menthol and pulegone, as well as flavonoids and tannins, which give it its intense aroma and well-known traditional uses. This infusion is ideal after meals, helping improve digestion and providing a sense of wellbeing. Many people also include it in healthy routines because they consider pennyroyal mint for weight loss to be a helpful ally. However, it’s important to consume it in moderation, as large amounts may be harmful to health. .

Pennyroyal mint offers multiple benefits, from aiding digestion to promoting relaxation. The properties of pennyroyal mint make it a great everyday infusion. Even so, it’s key to know the contraindications of pennyroyal mint, especially for people with blood pressure issues, as pennyroyal mint may raise blood pressure in some cases.

The digestive properties of pennyroyal mint are well known, helping relieve stomach discomfort and supporting good digestion. Its use in weight-management diets and pennyroyal mint for liver support remains under study, although many people trust its positive effects. As always, enjoy it in moderation and consult a professional if you have any doubts about its consumption.

Its main properties include:

● Digestive: supports digestion, reduces gas and relieves cramps.

● Antispasmodic: calms intestinal spasms and contractions.

● Cholagogues: stimulates bile secretion, improving the digestive process.

● Expectorant: helps clear the airways and relieve congestion.

● Antiseptic and antifungal: combats bacteria, fungi and some parasites.

● Diaphoretic: promotes sweating, useful in cases of fever.

● Emmenagogue: may help regulate the menstrual cycle.

● Relaxant: helps reduce anxiety and supports rest.

Benefits of pennyroyal mint

Thanks to its digestive, respiratory and relaxing properties, pennyroyal mint has become one of the most popular infusions in natural medicine. When consumed in moderation, it may offer the following benefits:

● Digestive relief: soothes indigestion, gas and cramps after heavy meals.


● Respiratory support: helps with colds, mild cough and nasal congestion.


● Relaxation and sleep: helps reduce anxiety and promotes better sleep.


● Menstrual cycle: may ease PMS discomfort and support regularity.


● Natural support: its antimicrobial and antifungal action helps prevent mild infections.


● Overall wellbeing: its freshness and intense aroma provide a comforting, revitalising effect.


pennyroyal mint

Contraindications of pennyroyal mint

Although pennyroyal mint is a much-loved infusion, it should be consumed in moderation, as some of its components (such as pulegone) can be toxic in excess or under certain conditions.

Main contraindications:

● Hypertension: may raise blood pressure in some people.

● Pregnancy and breastfeeding: may induce uterine contractions, miscarriage or premature labour.

● Young children: not recommended for children under 2 years.

● Liver or kidney problems: excessive consumption may be toxic to the liver and kidneys.

● Anaemia: hinders iron absorption and may worsen this condition.

● Excess intake: may cause diarrhoea, vomiting, headaches and digestive upset.

pennyroyal mint

How to make a pennyroyal mint infusion

Making a pennyroyal mint infusion is very simple and only takes a few minutes. To enjoy its full aroma and properties, follow these steps:


1. Heat water to around 90–95 °C (just before boiling).

2. Add one teaspoon of dried pennyroyal mint leaves or one tea bag.

3. Steep for 5–6 minutes to release its flavour and natural compounds.

4. Strain and serve. Enjoy it plain or lightly sweetened with honey or stevia.


It’s recommended after meals to aid digestion or at night to benefit from its relaxing effect.

pennyroyal mint

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