30-Day Money-Back Guarantee!The Medifast Promise

30 day Satisfaction Guarantee

We promise with Medifast, your whole world gets better™.

If you’re not completely satisfied with our products, for any reason, simply return the boxes (even if empty) within 30 days of receipt for a full refund of your purchase price (less S&H).

Return Policy

Medifast will issue a refund of the purchase price on any boxes postmarked within 30 days of receipt. Refunds are available on consumable products and blenders, only; all shipping charges are non-refundable. “Free” products received as part of a promotional offer and Last Chance! items are yours to keep, and do not qualify for either a refund or a credit if returned. Credits will be issued only to the account used for the original purchase. You must return the empty boxes to qualify for a refund. Only one refund may be requested per customer per shipment. Once we receive your return, please allow up to four weeks for processing. Refunds will be applied within 14 days after your return is processed but may not appear on your statement for one to two billing cycles. Customers are responsible for shipping costs to return product. All returns require a Return Authorization Number, which can be obtained from a member of our Customer Service Team at 866-451-9264.

Fitbit® Purchases

If you are unsatisfied with your Fitbit purchase for any reason, you have 45 days from the purchase date to return it and request a full refund, less Shipping and Handling. You are responsible for return shipping. If you experience a technical issue with your Fitbit, please contact Fitbit at https://contact.fitbit.com.

Exchange Policy

If you are not satisfied with a consumable product you purchased from Medifast, you may exchange it for another product of the same value. Your exchange must be postmarked within 30 days from the date you received it. To qualify for an exchange, no more than two meals may be missing from a box. You may exchange up to 10 boxes per order. Supplements, Last Chance!, and non-consumable products are ineligible for exchange. All exchanges require a Return Authorization Number, which can be obtained from a member of our Customer Service Team at 866-451-9264.

Package Refusal Policy

If you refuse your shipment, $15 will be deducted from your refund.

We are not responsible for lost or stolen packages en route to us.
Policies are subject to change.

Sign up to get updates, tips & special offers:

Need to get in touch with us?

Stay connected with Medifast:

Copyright © 2015 Medifast, Inc. All Right Reserved.
Trademarks | Terms | Privacy | Guarantee

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. Results vary. Clients can expect to lose 2-5 lbs per week for the first 2 weeks, and 1-2 lbs per week thereafter on the Medifast 5 & 1 Plan.

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