Phentermine is an FDA-approved appetite suppressant trusted by doctors for more than 50 years. When combined with diet and lifestyle changes, Phentermine helps patients lose weight.
Dr. Olivera is a board-certified gastroenterologist and the head of the Gastroenterology Department at Advocate Illinois Masonic Hospital in Chicago. Dr. Olivera and his team of medical professionals at his Chicago weight loss center have been helping people overcome challenges and lose weight for nearly 40 years. More About Us »