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What is gluten?

Retry Correct Incorrect Although gluten can be extracted and added to food if desired, it is a naturally occurring protein found in wheat and other grain plants such as barley or rye. That’s what has historically made celiac disease or other conditions like gluten allergies tricky to plan around.

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Smith Collection/Gado/Getty Images

Smith Collection/Gado/Getty Images

What is gluten?

• A chemical additive in various food products
• The product of long-term mutations caused by traditional farming techniques
• A byproduct of genetic modification
• A protein found in wheat and grain plants