St John's Wort

St. John's wort (Hypericum perforatum) has a history of medicinal use dating back to ancient Greece, where it was used to treat a range of illnesses, including various "nervous disorders." St. John's wort also has antibacterial and antiviral properties and, because of its anti-inflammatory properties, has been used topically to help heal wounds and burns. St. John's wort is one of the most commonly purchased herbal products in the United States.