Medifast

Medifast has been around for a long time operating within the modified fasting programs segment of the weight loss industry. It ranks among the leaders such as HMR and Optifast, in terms of the number of physicians, clinics, and other healthcare sites, and number of people using this type of prescription weight loss program. Medifast is a leader in soy-based medical meal replacement products used by consumers and medical practitioners for over 20 years. With over 1 million patients and 15,000 doctors previously working with its products, this program has been pre-sold to much of the company's previous customer base.