Effect of keto and Mediterranean diets on glucose control compared

Effect of keto and mediterranean diets on glucose control compared

While the keto and Mediterranean diets both can help people manage diabetes, the Mediterranean diet appears easier to maintain, according to a study recently published in the American Journal of Clinical Nutrition.

Christopher D. Gardner, Ph.D., from Stanford University in California, and colleagues performed a small randomized, crossover trial to compare two with three key similarities (incorporating nonstarchy vegetables and avoiding added sugars and refined grains) and three key differences (incorporating versus avoiding legumes, fruits, and whole, intact grains) for their effects on glucose control and cardiometabolic risk factors among 33 individuals with prediabetes or type 2 diabetes.

The researchers reported that glycated hemoglobin values did not differ between diets at 12 weeks. There was a greater decrease observed in triglycerides with the well-formulated (WFKD; −16 percent) versus the Mediterranean-plus diet (Med-Plus; −5 percent). Low-density lipoprotein cholesterol was higher for the WFKD (+10 percent) versus Med-Plus (−5 percent); high-density lipoprotein cholesterol increased 11 and 7 percent, respectively. Weight decreased 8 and 7 percent, respectively; however, there was a significant interaction seen for diet × order. While on the WFKD, participants had lower intakes of fiber and three nutrients versus the Med-Plus. Follow-up data suggest the Med-Plus is more sustainable.

“Restricting added sugars and refined grains and emphasizing the inclusion of vegetables should be the focus,” Gardner said in a statement. “There’s no reason to restrict heart-healthy, quality carbohydrate foods above and beyond.”

Vegan diets boost weight loss, lower blood sugar in adults with overweight or type 2 diabetes

More information:
Christopher D Gardner et al, Effect of a ketogenic diet versus Mediterranean diet on glycated hemoglobin in individuals with prediabetes and type 2 diabetes mellitus: The interventional Keto-Med randomized crossover trial, The American Journal of Clinical Nutrition (2022). DOI: 10.1093/ajcn/nqac154

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Effect of keto and Mediterranean diets on glucose control compared (2022, July 18)
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