MEDIFAST INC - FORM 10-K/A - EX-31.1 - EXHIBIT 31.1

file	filename
10-K/A - 10-K/A - MEDIFAST INC	v408929_10ka.htm
EX-31.2 - EXHIBIT 31.2 - MEDIFAST INC	v408929_ex31-2.htm

Exhibit 31.1

RULE 13a-14(a) CERTIFICATION

I, Michael C. MacDonald, certify that:

1.	I have reviewed this report on Form 10-K/A of Medifast, Inc.;

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.

Date: April 30, 2015

MEDIFAST INC - FORM 10-K/A - EX-31.1 - EXHIBIT 31.1 - April 30, 2015