Type of Diet:
Medically supervised low calorie formula


Foods You Eat on this Diet
Optifast liquid shakes and supplements, some whole foods

General Facts:
This program is designed for obese patients (BMI over 30) and is available through doctors who provide Optifast services.

Can you keep it off on this type of diet?
Optifast has published results in 600 patients who have sustained weight loss of 5-10% of their body weight for up to five years. Since average weight loss is 52 pounds, this means a lot of the weight is re-gained, but some of the weight stays off. 

Positives: This low calorie diet is supervised by physicians, blood work is done regularly and has a counseling program that involves professional help from registered dietitians. 

Drawbacks: This diet is a low calorie formula diet and is not meant for people who are not morbidly obese.  

Safety and Health Issues
There are always health risks in undergoing rapid weight loss, especially for people with medical problems. The risks vary, and the program should be monitored closely by a physician for best results.

Diet Surf Recommendations
Recommended as an option only for severely obese people under medical supervision. 

Dietitians comments about the Optifast Diet
Medical weight loss programs are designed for those who really need them and are a more extreme approach to weight loss. If you are considering a program like this, research the options available to you, get feedback from your local dietitians and your own physician and go to a physician who has offers a complete program and extensive experience with such programs. If there is a medical university in your area, call their endocrinology department to get a referral for help.