The Nurse Learns That a Patient Plans to Try St

The nurse learns that a patient plans to try St. John's wort for depression. How should the nurse respond to the patient about this herbal remedy?

A) "Some people believe it can be helpful for depression. Because it is an herb, it would be safe to try it."
B) "Herbs are medicines. You should not try anything without first consulting your primary care provider."
C) "Herbs can be dangerous. You should avoid taking them while you are on other medications because interactions could occur."
D) "St. John's wort has been shown in research to be safe and effective for treating depression. Be sure to follow the package instructions."