what is the most questionable phrase when used in advertising?\n○ \fda - approved\\n○ \secret formula\\n○…

what is the most questionable phrase when used in advertising?\n○ \fda - approved\\n○ \secret formula\\n○ \medically proven\\n○ \variation in efficacy\

what is the most questionable phrase when used in advertising?\n○ \fda - approved\\n○ \secret formula\\n○ \medically proven\\n○ \variation in efficacy\

Answer

Brief Explanations:

The term "medically proven" is very ambiguous. It doesn't specify what medical standards were used for proof, who conducted the proof, etc. "FDA - approved" is a clear - cut regulatory status, "secret formula" is more of a marketing ploy without false medical implications, and "variation in efficacy" is a more honest admission about product performance.

Answer:

"medically proven"