. "St. John's Wort"@en . . . "St. John's Wort is an herbal SSRi. It is sold commercial as an herbal supplement to treat clinical depression. You should see your doctor before using it to treat severe depression."@en . . "St. John's Wort is an herbal SSRi. It is sold commercial as an herbal supplement to treat clinical depression. You should see your doctor before using it to treat severe depression."@en .