Hyssop (Hyssopus officinalis) is a beautiful aromatic shrub containing rich volatile essential oils (including thujone and pinocamphone), marrubiin (a bitter diterpene), and tannins. Marrubiin acts as a powerful expectorant, thinning thick bronchial secretions and stimulating airway clearance. Hyssop's essential oils provide deep antispasmodic and antimicrobial effects that soothe coughing fits, reduce sore throats, and ease digestive bloating.
Educational information only — never stop or change a prescribed medication without talking to your prescriber first.
CRITICAL: Hyssop essential oil contains pinocamphone and thujone, which can trigger seizures in high doses; never ingest the pure essential oil internally, and avoid therapeutic doses in individuals with epilepsy or seizure disorders. Avoid during pregnancy.
Evidence level: Moderate
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