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Keto Diet Beats Mediterranean Diet in Clinical Trial, Study Finds

Keto Diet Beats Mediterranean Diet in Clinical Trial, Study Finds

Summary

A clinical trial compared three diets—ketogenic, Mediterranean, and plant-based—in adults with obesity, prediabetes, and fatty liver disease. The study found that while all diets improved health markers, the ketogenic diet led to greater improvements in liver health and blood sugar control.

Key Facts

  • The study involved 55 adults with metabolic health issues; 42 completed the trial.
  • Participants followed ketogenic, Mediterranean, or very-low-fat plant-based diets, with all meals provided to ensure adherence.
  • Each group lost about 10% of their body weight during the study.
  • The ketogenic diet improved liver insulin sensitivity two to three times more than the other diets.
  • Liver fat decreased by 67% on the ketogenic diet, compared to about 45% on the other diets.
  • Blood sugar, insulin levels, and HbA1c dropped more significantly in the ketogenic group.
  • Half of the ketogenic group no longer met criteria for prediabetes after the trial.
  • The ketogenic diet did not negatively affect cholesterol levels despite higher fat intake.
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