Medically reviewed by Melissa Nieves, LND Key Takeaways St. John's wort can help treat mild to moderate depression.It is important to talk to a healthcare provider before taking St. John's wort due to ...

Which St. John’s wort supplements are best? St. John’s wort is an herbal supplement known to treat mild depression and anxiety. Its scientific name is Hypericum perforatum, and it dates back to ...