Which Statement About the Regulation of Dietary Supplements Is True

Which statement about the regulation of dietary supplements is true?

A) These products require FDA review,just like drugs.
B) The FDA has the right to remove supplements from the market if there is a suspicion that it might not be safe.
C) Supplements containing ingredients not sold in the US before October 15,1994 must provide the FDA with safety data.
D) Since supplements are natural,they are safe for humans.