How long does it take St. John's wort to take effect?


Quick Answer

It takes approximately two months for the effects of St. John���s wort to be noticeable in the treatment of depression, according to WebMD. The typical dosage is 300 milligrams by capsule three times daily.

Continue Reading

Full Answer

St. John���s wort is often used to treat mild to moderate depression, but it is also used to treat insomnia, anxiety and seasonal affective disorder. The herb is thought to act as a selective serotonin reuptake inhibitor, or SSRI. It is important to talk to a doctor before taking this supplement because of potential drug interactions. Medications that potentially interact with St John���s wort include antidepressants, birth control, anti-arrhythmics and blood thinners.

Learn more about Medications & Vitamins

Related Questions