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Low Carb Diets Are Beneficial in Reducing Visceral Fat in Type 2

Posted: Wednesday, September 08, 2004

A1c’s, HDL’s and insulin sensitivity improved as visceral fat was reduced.

The purpose of the study was to investigate the effects of low carbohydrate diet on glucose and lipid metabolism, especially on visceral fat accumulation, and comparing that of a high carbohydrate diet. Obese subjects with type 2 diabetes mellitus were randomly assigned to take a low calorie and low carbohydrate diet (n=11, 1000 kcal per day, protein:carbohydrate:fat=25:40:35) or a low calorie and high carbohydrate diet (n=11, 1000 kcal per day, protein:carbohydrate:fat=25:65:10) for 4 weeks.

Similar decreases in body weight and serum glucose levels were observed in both groups. Fasting serum insulin levels were reduced in the low carbohydrate diet group compared to the high carbohydrate diet group (-30% versus -10%, P<0.05). Total serum cholesterol and triglyceride levels decreased in both groups, but were not significantly different from each other. High-density lipoprotein–cholesterol (HDL–C) increased in the low carbohydrate diet group but not in the high carbohydrate diet group (+15% versus 0%, P<0.01). There was a larger decrease in visceral fat area measured by computed tomography in the low carbohydrate diet group compared to the high carbohydrate diet group (-40 cm2 versus -10 cm2, P<0.05). The ratio of visceral fat area to subcutaneous fat area did not change in the high carbohydrate diet group (from 0.70 to 0.68), but it decreased significantly in the low carbohydrate diet group (from 0.69 to 0.47, P<0.05).

Source: Diabetes In Control.com: