An Ad for a Weight-Loss Product Contains Several Dishonest and Misleading

An ad for a weight-loss product contains several dishonest and misleading statements. Which of the following statements is a "red flag" statement that's in the ad?

A) This product can damage your liver when combined with other drugs, so do not take it with alcohol and/or medications.
B) This product is guaranteed to raise your metabolism by 400%, which is why it causes you to lose weight safely and rapidly.
C) This product should not be taken during pregnancy, because it can harm your baby.
D) This product may raise your blood pressure and increase your risk of a heart attack, so don't take more than the recommended dose.