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A High Protein Diet With Resistance Exercise Training Improves Weight Loss And Body Composition In Overweight And Obese Patients With Type 2 Diabetes

Posted by VPX Sports on Feb 21, 2010 7:44:00 AM

Once again proving that eating MORE PROTEIN IS GOOD FOR YOU! In addition to being the creme de la creme of muscle building nutrients, it helps folks with diabetes too!

Published online before print February 11, 2010, doi: 10.2337/dc09-1974

A High Protein Diet With Resistance Exercise Training Improves Weight Loss And Body Composition In Overweight And Obese Patients With Type 2 Diabetes

+ Author Affiliations

•1.       1Preventative Health Flagship, Commonwealth Scientific and Industrial Research Organisation - Food and Nutritional Sciences, Adelaide, Australia

•2.       2Department of Physiology, School of Molecular and Biomedical Science, University of Adelaide, Adelaide, Australia

Abstract

Aim: Evaluate the effects of two low fat hypocaloric diets differing in carbohydrate:protein ratio, with and without resistance training (RT), on weight loss, body composition and cardiovascular disease (CVD) risk outcomes in overweight/obese patients with type 2 diabetes (T2D).

Methods: 83 men/women with T2D (age:56.1±7.5yrs, BMI:35.4±4.6kg/m2) were randomly assigned to an isocaloric, energy restricted diet (females:6 MJ/day, males:7 MJ/day) of either standard carbohydrate (CON; carbohydrate:protein:fat, 53:19:26) or high protein (HP; 43:33:22), with or without supervised RT (3d/wk) for 16-wks. Body weight and composition, waist circumference (WC) and cardiometabolic risk markers were assessed.

Results: 59 participants completed the study. There was a significant group effect (P≤0.04) for body weight, fat mass and WC with greatest reductions in HP+RT; weight (CON:-8.6±4.6kg, HP:-9.0±4.8kg, CON+RT:-10.5±5.1kg, HP+RT:-13.8±6.0kg), fat mass (CON:-6.4±3.4kg, HP:-6.7±4.0kg, CON+RT:-7.9±3.7kg, HP+RT:-11.1±3.7kg), WC (CON:-8.2±4.6cm, HP:-8.9±3.9cm, CON+RT:-11.3±4.6cm, HP+RT:-13.7±4.6cm). There was an overall reduction (P<0.001) in fat-free mass:-2.0±2.3kg, blood pressure:-15/8±10/6mmHg, glucose:-2.1±2.2 mmol/L, insulin:-4.7±5.4mU/L, HbA1c:-1.25±0.94%, triglycerides:-0.47±0.81mmol/L, total cholesterol:-0.67±0.69 mmol/L and LDL-cholesterol:-0.37±0.53 mmol/L, with no difference between groups (P≥0.17).

Conclusion: An energy restricted HP diet combined with RT achieved greater weight loss and more favourable changes in body composition. All treatments had similar improvements in glycemic control and CVD risk markers.

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