How to Do an Elimination Diet, According to a Dietitian

By Elena Donovan Mauer
Reviewed by Daniel Lew, M.D.
April 07, 2022

Many people with chronic conditions wonder if an elimination diet can help them manage their symptoms. Elimination diets are typically used to identify food intolerances and sensitivities, and they may also help people find out which foods trigger symptoms. We spoke with our nutrition expert, Elizabeth DeRobertis, a New York based registered dietitian, to get the full lowdown on how to do an elimination diet and what to expect along the way.

What is an elimination diet, exactly?

An elimination diet is one where you don’t eat any foods that you think your body may not tolerate well. The foods are then reintroduced later, one food at a time, so that you can see if you develop a reaction or symptoms in response to each.

An alternative method of discovery involves removing potentially problematic foods one at a time instead of all at once.

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