About the Author

A Registered Dietitian with a Master's degree in Nutritional Science, Rachel S.Beller founded the Beller Nutritional Institute in Beverly Hills and is the Nutritionist for NBC's hit prime-time weight-loss program "The Biggest Loser." Rachel translates her clinical research into real-world results, and her areas of expertise include nutritional oncology, wellness and preventative health, weight management, cardiovascular health and diabetes.