They say the five star ratings are written by the company so maybe the one star are written by drug company employees. We will never know. I am just a regular woman with no affiliations. I can't even afford the program, but I have read everything that is free on the internet and it agrees with others who are well known and give good health advice on many things. The diet and supplements are recommended highly by several doctors, so they cannot hurt and worth a try. I can say that since following the plan, I feel better overall and my right knee which was painful is not bothering me as much. I am against drugs. Too many side effects. If you don't want to buy right now look up some articles on Save Our Bones to learn a lot for free.