Medifast is a quick, easy and medically proven weightloss program. With its diet plan you can lose up to 20 pounds in one month without shopping, cooking or counting. Medifast's nutritionally balanced... Medifast is a quick, easy and medically proven weightloss program. With its diet plan you can lose up to 20 pounds in one month without shopping, cooking or counting. Medifast's nutritionally balanced food is delivered straight to your door.read more