St John’s wort: six drug interactions you should know about

St John’s wort is an herbal supplement that has been used for centuries to boost mood. Even today, many people use it as a natural treatment for mild to moderate depression. St John’s wort contains several active compounds, such as hypericin and hyperforin, which are believed to influence mood.

Studies which have investigated the efficacy of St John’s wort have shown mixed results about its effectiveness for treating symptoms of depression.