Best Advice to Give Someone Who Is Considering a Supplement

best advice to give someone who is considering a supplement to improve their health is:

A) Choose a supplement that has been approved by the FDA.
B) Spend your money on fruits, vegetables, whole grains, lean meats, and milk products instead.
C) Buy supplements that have the USP symbol on the label for assurance of safety and effectiveness.
D) Choose a supplement that contains the Tolerable Upper Intake Level for maximum effectiveness.