Carlon M. Colker (born June 21, 1965) is an American physician and celebrity doctor, whose practice specialties include internal medicine, integrative medicine, medical nutrition and applied nutritional science, sports medicine, human performance, injury rehabilitation, and longevity medicine. Colker has also been referred to in the media as a former champion bodybuilder, powerlifter, and MMA fighter and coach. Colker is a familiar television personality and medical correspondent on Fox News Channel's Fox & Friends. Dr. Colker has appeared on such shows as ESPN Outside the Lines, NBC's Health Segment, Court TV, Bloomberg, and ABC's World News Tonight, offering his expert opinion and advice to millions of American households. Colker is also a contributing editor and regular columnist in the