No, You Probably Shouldn’t Follow Kelly Clarkson’s ‘Lectin-Free’ Diet

By Bahar Gholipour

In a recent interview with NBC’s Today show, singer Kelly Clarkson said her 37-lb. (17 kilograms) weight loss was a happy side effect of a diet she followed primarily to overcome her thyroid problem.

“I literally read this book, and I did it for this autoimmune disease that I had, and I had a thyroid issue,” Clarkson said. “I’m not on medicine anymore because of this book.” And along the way, she also lost weight, she said.

Clarkson was referring to the book “The Plant Paradox” (Harper Wave, 2017) by Dr. Steven Gundry, which was published last year and was followed by a cookbook this April.

The book comes with a big, controversial claim: Gundry says a broad group of plant proteins called lectins — found in grains; beans and legumes; nuts; fruits; nightshade vegetables such as eggplant, tomatoes and potatoes; and dairy — are the root of modern illnesses, ranging from obesity and gastrointestinal issues to autoimmune disorders and allergies. Lectins, according to Gundry, bind to sugar molecules in cells throughout the body, altering their function.

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