The Serotonin-Plus Weight Loss Program™ was developed by Robert Posner, M.D., one of the world’s leading researchers on the weight loss effect of oral serotonin supplementation. Dr. Posner developed and patented the Serotonin Formula™, a unique serotonin supplement. He is also a member of the American Society of Bariatric Physicians, a branch of medicine that deals with the causes, prevention, and treatment of obesity. Dr. Posner, the attending physician of the program is an internal medicine specialist and is adept at monitoring all of the medical issues related to safe and medically responsible weight loss.