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    Effects of whey protein isolate on body composition, lipids, insulin and glucose in overweight and obese individuals

    171124_171124.pdf (107.0Kb)
    Access Status
    Open access
    Authors
    Pal, Sebely
    Ellis, Vanessa
    Dhaliwal, Satvinder
    Date
    2010
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Pal, Sebely and Ellis, Vanessa and Dhaliwal, Satvinder. 2010. Effects of whey protein isolate on body composition, lipids, insulin and glucose in overweight and obese individuals. British Journal of Nutrition. 104 (5): pp. 716-723.
    Source Title
    British Journal of Nutrition
    DOI
    10.1017/S0007114510000991
    ISSN
    00071145
    School
    School of Public Health
    Remarks

    Copyright © 2010 Cambridge University Press

    URI
    http://hdl.handle.net/20.500.11937/32650
    Collection
    • Curtin Research Publications
    Abstract

    The health benefits currently associated with increased dairy intake may be attributable to the whey component of dairy proteins. The present study evaluated the effects of whey protein supplementation on body composition, lipids, insulin and glucose in comparison to casein and glucose (control) supplementation in overweight/obese individuals for 12 weeks. The subjects were randomised to whey protein, casein or glucose supplementation for 12 weeks according to a parallel design. Fasting blood samples and dual-energy X-ray absorptiometry measurements were taken. Seventy men and women with a mean age of 48•4 (SEM 0•86) years and a mean BMI of 31•3 (SEM 0•8) kg/m2 completed the study. Subjects supplemented with whey protein had no significant change in body composition or serum glucose at 12 weeks compared with the control or casein group. Fasting TAG levels were significantly lowered in the whey group compared with the control group at 6 weeks (P=0•025) and 12 weeks (P=0•035). There was a significant decrease in total cholesterol and LDL cholesterol at week 12 in the whey group compared with the casein (P=0•026 and 0•045, respectively) and control groups (P<0•001 and 0•003, respectively). Fasting insulin levels and homeostasis model assessment of insulin resistance scores were also significantly decreased in the whey group compared with the control group (P=0•049 and P=0•034, respectively).The present study demonstrated that supplementation with whey proteins improves fasting lipids and insulin levels in overweight and obese individuals.

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    • Comparative effects of whey and casein proteins on satiety in overweight and obese individuals: A randomized controlled trial
      Pal, Sebely; Radavelli-Bagatini, Simone; Hagger, Martin; Ellis, Vanessa (2014)
      Background/Objective: Dairy protein seems to reduce appetite by increasing satiety and delaying the return of hunger and subsequently lowering energy intake compared with fat or carbohydrate. The aim of this study was to ...
    • Comparative effects of whey and casein proteins on satiety in overweight and obese individuals: a randomized controlled trial
      Pal, Sebely; Radavelli-Bagatini, S.; Hagger, Martin; Ellis, V. (2014)
      Background/Objective:Dairy protein seems to reduce appetite by increasing satiety and delaying the return of hunger and subsequently lowering energy intake compared with fat or carbohydrate. The aim of this study was to ...
    • Acute effects of whey protein isolate on blood pressure, vascular function and inflammatory markers in overweight postmenopausal women.
      Pal, Sebely; Ellis, Vanessa (2011)
      Previous evidence indicates that chronic consumption of dairy whey proteins has beneficial effects on CVD risk factors. The present study investigated the postprandial effects of whey protein isolate on blood pressure, ...
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