Here's a link to an article that discusses a topic that we have already known about: the misconceptions about protein supplementation among high school athletes. Companies cater to teens with promises of getting huge and obtaining an "8 pack" but they might be providing false information to promote and sell their product. This type of marketing can give people the wrong idea about the product, and they may be putting harmful substances in their bodies.
http://journals.lww.com/nsca-jscr/Fulltext/2008/07000/Protein_Supplement_Users_Among_High_School.14.aspx