Medifast Arizona makes no claim that these results are representative of all participants on the Medifast Program. Medifast recommends you consult with a physician before starting a weight-loss program. Results vary. Typical results on the Medifast 5 & 1 Plan are 2-5 pounds per week for the first 2 weeks and 1-2 pounds per week thereafter. Some website images are models. © Copyright 2013 US Lead Network.