Medifast plans deliver effective weight loss while maintaining lean muscle mass.
We combine simplicity, variety, and flexibilty.

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We have weight loss plans to fit every budget and lifestyle. Medifast is the brand recommended by over 20,000 Doctors since 1980

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Why Medifast works

Doctor developed, clinically proven, Medifast works with your body to burn away fat while you maintain muscle mass.

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"Medifast helped me understand the difference between "lifestyle" and "diet", and that is priceless."

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  • Finance Professional
  • Apple Valley, MN

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Featured Products

Best Sellers & Customer Favorites

Peanut Butter Crunch Bar
Peanut Butter Crunch Bar
Only 2.79 per serving
(sold in 7-serving box)
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Dutch Chocolate Shake
Dutch Chocolate Shake
Only 2.79 per serving
(sold in 7-serving box)
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Medifast Achieve

Our easiest, most convenient plan ever. The Medifast Achieve plan is designed for fast, safe weight loss while preserving lean muscle mass. It combines simplicity, variety, and flexibility.

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Medifast, Inc., Health & Wellness, Owings Mills, MD HACKER SAFE certified sites prevent over 99.9% of hacker crime.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.

Davis, L.M., Coleman, C.D., Kiel, J., Rampolla, J., Hutchisen, T., Ford, L., Andersen, W.S., Hanlon-Mitola, A. (2010). Efficacy of a meal replacement diet compared to a food-based diet after a period of weight loss and weight maintenance: a randomized controlled trial. Nutrition Journal, 9(11). View Study