St. John's Wort
St. John's wort is a flowering herb with a long history in European botanical traditions. It can interact with many medicines; read the specific safety information below before use.
Ingredients: St. John’s Wort
Important safety information
St. John’s wort interacts with many medicines and can weaken the effects of some, including birth control pills and medicines used after organ transplants. Ask your clinician or pharmacist before use. See NIH: St. John’s wort safety.
Further reading
For independent information about botanicals and their safety, see the NIH Herbs at a Glance directory. Research on other preparations does not establish an effect for this product.
Product and wellness information
Information on this page, including references to traditional uses of herbs, is provided for general educational purposes only and is not medical advice. Our products are not intended to diagnose, treat, cure, or prevent any disease or replace professional medical care. Review each product’s ingredients and directions before use, including any “external use only” instructions. If you are pregnant or nursing, take medication, have a medical condition, or are selecting an herbal product for a child, consult a qualified healthcare professional before use.