A Scientist Discovers a Chemical Compound in Certain Rocks That

Multiple Choice

A scientist discovers a chemical compound in certain rocks that she calls "stonia." She cannot market extracts that contain stonia as a dietary supplement,because it

A) has to receive a U.S.patent before the FDA will approve its use.
B) does not contain dietary ingredients.
C) must first undergo scientific testing to determine its effectiveness.
D) contains more than one kind of natural material.