The Parent of a Child Who Has Numerous Allergies Reports

The parent of a child who has numerous allergies reports using herbal remedies to help treat the child because they are "natural" products. What will the primary care pediatric nurse practitioner suggest to this parent about using these products?

A) Brand-name herbal products have been tested for efficacy.
B) Natural ingredients are usually safe for use in children.
C) There are few interactions between drugs and supplements.
D) Use single-herb supplements whenever possible.