In operation for more than 25 years, Diet Center Worldwide operates a network of franchise weight loss centers throughout the United States and Canada. The company s centers provide supervised weight loss services, as well as administer food exchange, weight management and behavior modification programs. Its centers clients include women between the ages of 20 and 50. The company s center s offer packaged meals, meal replacements. Its centers provide nutrition consultation services. The company s centers also offer materials on exercise, behavior modification and stress reduction. Diet Center Worldwide is a part of Health Management Group.