70.write super compliant for Ad networks, FTC etc and still converts well

Question:
Whats your take on using Studies done on mice vrs in vitro vrs human. FTC has a rule for that right? How do you take these supplement offers and write sales letters and ads that are super compliant for Ad networks, FTC etc and still converts well. Making those huge promises that address the market's short term and long term goals can be tough in the health niche.