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Medifast
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.
Medifast is the brand recommended by more than 20,000 doctors since
1980.
Shikany, J. M., A. S. Thomas, T. M. Beasley, C. E. Lewis and D. B. Allison (2013). "Randomized controlled trial of the Medifast 5 & 1 Plan for weight loss." Int J Obes (Lond) 37(12): 1571-1578. View Study