St. John's Wort is a cheerful-flowered perennial native to Europe whose bright yellow blooms have been steeped for centuries to lift mood and ease nervous tension. Its distinctive red-tinged oil and potent phytochemical profile make it one of the most researched herbal mood-supporting remedies in Western herbalism.
flower, leaf, stem
tea, tincture, capsule, oil
300–900mg standardized extract daily; 1–2 tsp dried flowering tops as tea 2–3x daily
Significant drug interactions. Induces CYP3A4 — reduces birth control and heart medications. Photosensitivity possible.
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