Food Allergy, Food Intolerance Diets

Food allergy and intolerance diets are high fashion. They claim that weight gain can be caused by a person’s intolerance towards certain foods. By avoiding these foods, weight loss becomes easier.

The Intolerance Test and Diet Plan

At a cost of anything up to $300, the dieter is given a blood-test to determine their “intolerance’s.” In my experience, the test usually uncovers a series of such intolerance’s – typically to whole food-groups. Once this intolerance test is completed, the dieter is given two food-lists – a list of banned foods and a list of permissible foods. The banned items typically includes a wide variety of common foods, including bread and most dairy products.

Diet Plan Unsupported by Evidence

To the best of my knowledge, there does not appear to any reliable medical evidence linking food intolerance to weight gain. To date, the only reliable method of food-intolerance testing is the “elimination” diet, which is best carried out under medical supervision.

Any weight loss caused by these Food Allergy or Intolerance diets is almost certainly due to the restrictive dietary regimen rather than the alleviation of the relevant allergy or intolerance.


Until these Food Allergy/intolerance diets are supported by medical evidence, they are best avoided.


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