According to this article, it is.
I don’t know, seems like a lot of information is missing, to me, the simple minded. What sort of exercise routine did these nearly 500,000 people participate in? Where did they get their meat? Was it full of GMO’s? Did they also stuff their face with french fries and buns when they ate their cheese laden burgers? Did they eat only bacon and hamburgers? Or did they mix in some quality vegetables every meal?
Making a claim on a website like this so robust, yet so weak on parameters, seems awfully irresponsible.