General:
The OPTIFAST is a comprehensive, medically monitored program that has been proven effective in more than 80 clinical studies and by more than 1 million people who have participated in the program since 1974.

Types of food allowed:
OPTIFAST shakes and supplements, some whole foods.

Advantages:
Low calorie diet, supervised by physician, regular blood work and counseling, supervised by registered dieticians.

Disadvantages:
Expensive. This low calorie diet is not meant for people who are not morbidly obese.

Health Issues:
No health issues when supervised by a physician.

External Resources

Homepage:
OPTIFAST Home Page

Reviews:
everydiet.org review of OPTIFAST

Overviews:
Tufts Medical Center review of the OPTIFAST program

Other:
Serious Weight Loss only links to information published by reputable professionals or their associated web sites. We do not link to articles that contain advertisements for spin off or 'better choice' diet plans. At the time of this publication, Serious Weight Loss could find no information for this category that meets the criteria above.