1Heshka S. et al. Weight loss with self-help compared with a structured commercial program: a randomized trial. JAMA 289(14):1792, 2003.
2Improved Psychological Well-Being, Quality of Life, and Health Practices in Moderately Overweight Women Participating in a 12-Week Structured Weight Loss Program. JM Rippe, JM Price, SA Hess, et al. Obesity Research 1998; 6(3): 208-218.
3Based on 24 week study; Nguyen V et al. Obesity 15 (9S): A221, 2007