St. John’s wort (Hypericum perforatum) is a flowering plant.

The flowers are used to make liquid extracts, pills, and teas. The popular herbal therapy is often used to ease symptoms of depression. People have been using St. John’s wort for centuries. Used as a strong antidepressant and may elevate mood in individuals with mild to moderate depression.

the supplement’s active ingredients, including hypericin, hyperforin, and adhyperforin, may be responsible for its medicinal benefits. These ingredients appear to increase the levels of chemical messengers in the brain, such as serotonin, dopamine, and noradrenaline.