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Diet Review: The Diet Solution

The Diet Solution: What You Can Eat

Foods allowed are limited to whole natural organic foods, mostly healthy meats, fish, vegetables, seeds, nuts, and raw high-fiber fruits.

“Most people do best when they get all their carbs from fruits and vegetables and totally eliminate grains so they are mostly excluded, but there is an option to include them,” De Los Rios says.

She also takes issue with dairy unless it is raw and organic, artificial sweeteners except Stevia, processed foods, sugars, sweets, most breads, pasta and grains, sweetened drinks, fruit juices unless freshly squeezed, and soy, and more.

The Diet Solution: Expert's View

Nutrition experts agree about the importance of good intentions, motivation, and staying positive while dieting. But beyond that, The Diet Solution falls short of evidence for many of its claims.

“It is based upon unsubstantiated, unscientific, and potentially dangerous advice. Therefore I would not recommend the program,” says American Dietetic Association spokeswoman and Washington, D.C.-based nutrition counselor Katherine Tallmadge, MA, RD.

Tallmadge adds that the author is not a nutrition expert qualified or licensed to practice and her sources are not from peer-reviewed scientific journals.

On the positive side, Tallmadge agrees with De Los Rios that you need to focus on the source of calories to lose weight. But Tallmadge says it has nothing to do with metabolic typing.

Everyone needs to eat the right balance of carbs, protein, and fat at meals.

“There are so many inaccuracies in the book that are potentially dangerous and misleading," says Tallmadge, who is the author of Diet Simple. "From false statements claiming foods which contain ingredients that can’t be pronounced are ‘toxins’ to suggesting that organic foods foster weight loss – these are simply not true."

Tallmadge encourages her clients to eat more ‘natural’ foods, but her definition of ‘natural’ is not as rigid or inflexible as De Los Rios and allows healthy foods that are frozen, packaged, or not organic.

The Diet Solution: Food for Thought

It is hard to believe that everyone fits into three metabolic diet types, especially when determined by a questionnaire.

The reason you will lose weight on The Diet Solution is because it is low in calories, contains plenty of lean protein, and fiber --not necessarily because of your metabolic type.

Most recommended foods in the plan are super healthy. But be warned: Not all information in the book is grounded in scientific evidence. For instance, raw organic eggs are not safe to eat, and raw unpasteurized dairy can be a health hazard and is not recommended.

The Diet Solution plan is rigid, very restrictive, costly, potentially deficient in calcium, and may be hard to follow long term.

If you are looking for a well-balanced low-calorie weight loss plan that you can follow long term, keep looking.

Kathleen Zelman, MPH, RD, is director of nutrition for WebMD. Her opinions and conclusions are her own.

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