Gromwell vs Bugleweed Herb

Perennial of European roadsides; seeds used in folk medicine as diuretic; roots studied for contraceptive properties and anti-gonadotropic effects.

North American herb used in traditional medicine for hyperthyroid conditions, heart palpitations, and anxiety. One of the few herbs with evidence for reducing thyroid activity.

lithospermic acid, phenolics, tannins, silicic acid

lycopine, rosmarinic acid, flavonoids, tannins

Diuretic in European folk medicine, Historical contraceptive use (Shoshone tribe in North America), Kidney stones, Thyroid conditions

Treat hyperthyroidism, Heart palpitations, Anxiety and nervous tension, Traditional Appalachian medicine

Lithospermic acid anti-gonadotropic research, Antithyroid research, Diuretic

Antithyroid, Antiarrhythmic, Sedative, Anti-inflammatory

2–3 g herb as tea; 1–2 mL tincture

1-2ml tincture or 2g herb tea 3x daily

Pregnancy, Hypothyroidism, Hormonal conditions

Hypothyroidism, Pregnancy (antithyroid), Nursing mothers, Thyroid medications

Anti-thyroid effects, Anti-gonadotropic effects, Contraceptive action

Hypothyroidism with excess, GI upset, Thyroid suppression