Image of a woman enjoying an OPTIFAST drink


Developed by scientists, widely researched and tested, OPTIFAST is a scientifically designed low calorie diet recommended for the dietary management of weight loss.

The Science Behind OPTIFAST

With so many different diets to choose from and countless stories about weight loss, it’s hard to know if you have selected a safe and effective option. One way to know is to make sure your chosen diet has a strong scientific basis, like the OPTIFAST diet plans. The OPTIFAST diet plans are specially tailored to help your weight loss journey.