| 1. | I                have reviewed this report on Form 10-Q/A of Medifast, Inc.; |
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| 2. | Based                on my knowledge, this report does not contain any untrue statement                of a                material fact or omit to state a material fact necessary to make                the                statements made, in light of the circumstances under which such statements                were made, not misleading with respect to the period covered by this                report; |
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| 3. | Based                on my knowledge, the financial statements, and other financial information                included in this report, fairly present in all material respects                the                financial condition, results of operations and cash flows of the                registrant as of, and for, the periods presented in this report; |
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| 4. | I                am responsible for establishing and maintaining disclosure controls                and                procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))                and                internal control over financial reporting (as defined in Exchange                Act                Rules 13a-15(f) and 15d-15(f)) for the registrant and                have: |
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|   | (a)    | Designed                such disclosure controls and procedures, or caused such disclosure                controls and procedures to be designed under our supervision, to                ensure                that material information relating to the registrant, including its                consolidated subsidiaries, is made known to us by others within those                entities, particularly during the period in which this report is                being                prepared; |
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|   | (b)    | Designed                such internal control over financial reporting, or caused such internal                control over financial reporting to be designed under our supervision,                to                provide reasonable assurance regarding the reliability of financial                reporting and the preparation of financial statements for external                purposes in accordance with generally accepted accounting                principles;                       |

|   | (c) | Evaluated                the effectiveness of the registrant’s disclosure controls and procedures                and presented in this report our conclusions about the effectiveness                of                the disclosure controls and procedures, as of the end of the period                covered by this report based on such evaluation; and |
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|   | (d) | Disclosed                in this report any change in the registrant’s internal control over                financial reporting that occurred during the registrant’s most recent                fiscal quarter (the registrant’s fourth fiscal quarter in the case of an                annual report) that has materially affected, or is reasonably likely                to                materially affect, the registrant’s internal control over financial                reporting; and |
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| 5. | I                have disclosed, based on my most recent evaluation of internal control                over financial reporting, to the registrant’s auditors and the audit                committee of the registrant’s board of directors (or persons performing                the equivalent functions): |
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|   | (a) | All                    significant deficiencies and material weaknesses in the design                    or                    operation of internal control over financial reporting which                    are                    reasonably likely to adversely affect the registrant’s ability to record,                    process, summarize and report financial information;                    and |
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|   | (b) | Any                      fraud, whether or not material, that involves management or                      other                      employees who have a significant role in the registrant’s internal control                      over financial                      reporting. |
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| /s/ Michael                S. McDevitt                                |   |
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|      Chief                Financial Officer  |   |

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