The nurse prepares to teach clients about the safety and efficacy of herbal preparations. Which statement should the nurse include in this teaching?
A. Herbal preparations must be tested for safety and efficacy prior to marketing .
B. The manufacturer does not have to prove the safety or efficacy of the herbal preparation.
C. Herbal preparations have to meet the same safety and efficacy standards as prescription and over-the-counter drugs.
D. The label on the herbal preparation is required by the Dietary Supplement Health and Education Act to be accurate.