Is the Keto Diet Good or Bad? We Weigh the Pros and Cons

Sure, the keto diet can help you lose weight, but that's not the only way it targets belly fat. Dr. Phinney told POPSUGAR that it can help fight inflammation.

"A well-formulated ketogenic diet has potent anti-inflammatory effects throughout the body, including for belly fat, and thus enables a person to lose it," he says. Curbing chronic inflammation can also help you ease joint pain, digestive issues, fatigue, and skin issues.