[Photo courtesy of Timothy Baran]
"They make people mindful of their food choices," DeAngelis said.
For 30 days, dieters are allowed no alcohol, dairy, grains, legumes or sugar. They may eat moderate amounts of eggs, meat, seafood and some types of fruit. Vegetables are encouraged.
They may also eat nuts, avocado and herbs.
Mayo Clinic said the diet's founders say this diet may help with the digestive and skin issues, as well as chronic pain and low energy associated with food sensitivities.
DeAngelis said she's "not a fan" of this diet, even though it does eliminate sugar, "something we all consume a lot in this country."
"But it is pretty restrictive," DeAngelis said. "It cuts out entire food groups. It's missing calcium, and it cuts out legumes and whole grains, which provide a lot of fiber, vitamins and minerals."