Select one commonly acquired over-the-counter (OTC) herbal supplement and give a brief discussion on its mechanism of action.

Select one commonly acquired over-the-counter (OTC) herbal supplement and give a brief discussion on its mechanism of action. Explain why a patient might seek treatment from an OTC supplement instead of a more effective prescription drug. Identify opportunities the nurse has in educating about, administering, and monitoring the proper use of OTC supplements.