To have a comparable diet condition, all participants in both groups had to follow the recommendations of the German clinical practice guidelines on the management and prevention of obesity.
One group had to take the polyglucosamine tablets and the other group placebo tablets for at least 24 weeks. It is known, that polyglucosamine is a fat binder acting in a physical-chemical manner, the positive charged fiber is bound to the negative charged dietary fat and this complex in unable to pass the gut wall into the body but is naturally excreted, hence this energy is not available. Therefore, this medical device should show a measurable reduction in body weight.