Bugleweed (Lycopus virginicus)

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Botanical Information

• Family: Lamiaceae
• Common Names: Virginia Bugleweed, Sweet Bugle, Water Horehound
• Parts Used: Aerial parts (leaves, stems, flowers)

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Description

Lycopus virginicus is a perennial herb native to North America, commonly found in wetlands and damp environments. It is well known for its ability to support thyroid function, cardiovascular health, and respiratory wellness. The herb has been traditionally used for its astringent and sedative properties.

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Historical and Traditional Uses

• Used in traditional Native American medicine for respiratory and circulatory conditions.
• Employed in European and North American herbalism as a thyroid modulator.
• Historically used to calm heart palpitations and hyperthyroid symptoms.
• Applied as a mild sedative and astringent for coughs and excessive bleeding.

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Constituents

• Phenolic acids
• Flavonoids
• Tannins
• Diterpenes
• Essential oils
• Lithospermic acid (linked to thyroid function)

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Actions

• Thyroid modulator
• Mild sedative
• Astringent
• Cardiotonic
• Diuretic
• Expectorant

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Medicinal Uses

1. Thyroid Support:
Bugleweed is traditionally used to manage mild hyperthyroidism, Graves’ disease, and overactive thyroid symptoms.

2. Cardiovascular Health:
Helps reduce palpitations, regulate heart rate, and promote circulatory balance.

3. Respiratory Relief:
Used for coughs, bronchitis, and excess mucus production.

4. Astringent and Bleeding Control:
Traditionally applied for nosebleeds, excessive menstruation, and mild internal bleeding.

5. Mild Sedative Effects:
Supports relaxation and may aid in managing anxiety and restlessness.

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Preparation and Dosage

Infusion (Tea):

• 1-2 tsp of dried herb per cup of hot water. Steep for 10-15 minutes and drink up to twice daily.

Tincture:

• 2-4 ml taken up to 3 times daily.

Poultice (Topical Use):

• Crushed fresh leaves applied to wounds and irritated skin.

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Precautions and Contraindications

• Pregnancy and Lactation: Not recommended, as it may affect hormone levels.
• Hypothyroidism: Should not be used by individuals with an underactive thyroid.
• Low Blood Pressure: May further lower blood pressure in susceptible individuals.
• Medication Interactions: Consult a healthcare provider if using thyroid or heart medications.

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Energetics (Traditional Medicine Perspectives)

• Traditional Western Herbalism: Cooling and astringent; supports thyroid, cardiovascular, and respiratory health.
• Native American Herbalism: Used for lung congestion, heart palpitations, and fever reduction.
• Ayurveda: Primarily balances Pitta and Kapha, but excessive use may aggravate Vata.

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Combinations

• For Thyroid Support: Combine with lemon balm and motherwort.
• For Cardiovascular Health: Combine with hawthorn and valerian.
• For Respiratory Support: Combine with mullein and elecampane.

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Harvesting and Storage

• Harvesting: Aerial parts are collected during flowering in late summer.
• Drying: Air dry in a well-ventilated, shaded area.
• Storage: Store dried leaves and stems in airtight containers away from light and moisture.

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Modern Research

Studies confirm Lycopus virginicus’s ability to modulate thyroid function, reduce heart palpitations, and support respiratory health, reinforcing its traditional uses.

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Bugleweed remains a valuable herb in both traditional and modern herbal medicine, particularly for thyroid regulation, cardiovascular health, and respiratory support.