What are the pros and cons of using these supplements? Are the pros and cons different for different people (for example, picky eaters, athletes, healthy adults, pregnant women, the elderly, or any other group)?

That's  a project for you to do. btw your teacher probably uses a plagiarism detector and if you do copy anything on this site she/ he will find out and instead of getting a good  or bad grade you'll  get a 0 no exceptions, and they'll  probably call ur parents. so do some research ask friends and fam to you.

Answerstrict liability;

Cis the correct answer 

Answer(c); risk being sued for negligence;