HerbilousOpen the interactive guideHERB PROFILE · EDUCATIONAL REFERENCE
Bugleweed
Important safety information: Contraindicated in hypothyroidism, non-functioning thyroid enlargement, pregnancy and breastfeeding. Do not combine casually with thyroid-hormone preparations or use before radioactive-isotope thyroid testing. Extended use, high doses or abrupt discontinuation may worsen thyroid symptoms.
Herbal actions
- TSH antagonist
- Antithyroid
- Reduces heart rate
- Mild sedative
Traditional and practitioner uses
These uses are presented for historical and educational context. They are not treatment claims.
- Traditional support for hyperthyroid symptoms
- Historical use for nervous tachycardia, restlessness and anxiety
- Practitioner context for Graves’ disease
Main constituents
Phenolic acids including lithospermic-acid-related compounds, flavonoids, tannins and volatile constituents
Preparation overview
Tea: Professional guidance recommended. Thyroid-active herbs require medical oversight; the 1:2 liquid-extract reference cannot be converted to casual self-dosing.
Liquid extract reference: 1:2 liquid extract: 2–6 mL/day (15–40 mL/week)
Preparation strengths are not interchangeable. Open the interactive guide for the complete evidence notes and sources available for this herb.
Herbilous provides educational information only. It does not diagnose, prescribe, or replace professional medical advice. Seek urgent care for severe or worsening symptoms.