Volumetrics offers an approach to weight loss that is nutrition-based. Developed by Dr. Barbara Rolls who teaches nutrition at the Pennsylvania State University, it aims to teach dieters how to balance the right foods so that they feel satiated after eating. Volumetrics is advertised as being able to promote weight loss and boost energy levels.
Dr. Rolls has written several books on Volumetrics. Let us have a look at the program and find out if it is a sound and effective approach to weight loss.

Volumetrics is touted to be the solution for the conflicting schools of diet—the low-carb and the high-carb. There are countless numbers of diets and nutritionists who support both types of diets however Dr. Roll believes that the focus should really not be on carbohydrate intake but on foods that induce a feeling of fullness or satiety.

With Volumetrics dieters control their calorie intake naturally by eating foods that are filling. In her book, Dr. Roll teaches readers how to choose the right foods and also shares 125 different recipes which are in accordance with her theories. This is a strictly diet-oriented weight loss program. No advice or recommendations are given about exercise or fitness. It is a known fact however, that exercise is a major contributing factor in weight loss.

According to Dr. Roll the foods that best create a feeling of fullness are those which are water-based such as fruits and vegetables as well as lean proteins, whole grains, and low-fat dairies. Dr. Roll points out that water is the key in creating fullness but it should be water taken from food as one eats and not just from drinking.

Keys: Volumetric Books

• “The Volumetrics Eating Plan”
• Volumetrics Weight-Control”
• “Complete Food and Nutrition Guide”
• “Volumetrics”

Keys: Focused Offerings

• Cookbooks
• Food Guidelines
• Shopping Suggestions
  

Positives

• Designed by a nutrition professional
• Provides 125 recipes
• Encourages the eating of fruits and vegetables

Negatives

• No supporting research provided
• No online testimonials
• Has received negative feedback from many customers some of whom have posted their comments on consumer blogs and forums. Click here to read more about these issues in this Volumetrics blog.
• No fitness component
• Not an original diet pla

Dr. Rolls does not present any research in support of the principles of Volumetrics despite the fact that as a professional, she understands the importance of backing up claims with scientific studies. Without this validation what she is teaching are mere assumptions and theories. Moreover, the diet plan is not original but an old one presented in a new way. The foods she recommends may result in weight loss not because the principles of Volumetrics work but because they are nutritious and have low-fat content.

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