News ID: 257094
Published: 0731 GMT August 10, 2019

Reduced carbohydrate intake improves type 2 diabetics' ability to regulate blood sugar

Reduced carbohydrate intake improves type 2 diabetics' ability to regulate blood sugar
UNIVERSITY OF COPENHAGEN

Patients with type 2 diabetes improve their ability to regulate blood sugar levels if they eat food with a reduced carbohydrate content and an increased share of protein and fat.

This is shown by a recent study conducted at Bispebjerg Hospital, Denmark, in collaboration with, among other partners, Aarhus University and the Department of Nutrition, Exercise and Sports at the University of Copenhagen. The findings are contrary to the conventional dietary recommendations for type 2 diabetics, eurekalert.org wrote.

Nutritional therapy is important to treat the type 2 diabetes optimally, but the recommendations are unclear. According to the Danish Health Authority, up to 85 percent of newly diagnosed patients with type 2 diabetes are overweight, and they are typically advised to follow a diet focused on weight loss: Containing less calories than they burn, low fat content and a high content of carbohydrates with a low 'glycemic index' (which indicates how quickly a food affects blood sugar levels).

A central aspect in the treatment of type 2 diabetes is the patient's ability to regulate their blood sugar levels, and new research now indicates that a diet with a reduced carbohydrate content and an increased share of protein and fat improves the patient's ability to regulate his or her blood sugar levels compared with the conventional dietary recommendations. In addition, it reduces liver fat content and also has a beneficial effect on fat metabolism in type 2 diabetics.

"The purpose of our study was to investigate the effects of the diet without 'interference' from a weight loss. For that reason, the patients were asked to maintain their weight. Our study confirms the assumption that a diet with a reduced carbohydrate content can improve patients' ability to regulate their blood sugar levels —   without the patients concurrently losing weight," explained Senior Consultant, Thure Krarup, MD, from the Department of Endocrinology at Bispebjerg Hospital. He continues: "Our findings are important, because we've removed weight loss from the equation. Previous studies have provided contradictory conclusions, and weight loss has complicated interpretations in a number of these studies."

Based on the growing body of evidence, we might rethink the dietary recommendations for patients with type 2 diabetes, stressed Krarup:

"The study shows that by reducing the share of carbohydrates in the diet and increasing the share of protein and fat, you can both treat high blood sugar and reduce liver fat content. Further intensive research is needed in order to optimize our dietary recommendations for patients with type 2 diabetes," said Thure Krarup, stressing that the findings should be confirmed in large-scale, long-term controlled trials.

   
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