Protein-Pacing from Food or Supplementation Improves Physical Performance in Overweight Men and Women: The PRISE 2 Study - PubMed (original) (raw)

Randomized Controlled Trial

Protein-Pacing from Food or Supplementation Improves Physical Performance in Overweight Men and Women: The PRISE 2 Study

Paul J Arciero et al. Nutrients. 2016.

Abstract

We recently reported that protein-pacing (P; six meals/day @ 1.4 g/kg body weight (BW), three of which included whey protein (WP) supplementation) combined with a multi-mode fitness program consisting of resistance, interval sprint, stretching, and endurance exercise training (RISE) improves body composition in overweight individuals. The purpose of this study was to extend these findings and determine whether protein-pacing with only food protein (FP) is comparable to WP supplementation during RISE training on physical performance outcomes in overweight/obese individuals. Thirty weight-matched volunteers were prescribed RISE training and a P diet derived from either whey protein supplementation (WP, n = 15) or food protein sources (FP, n = 15) for 16 weeks. Twenty-one participants completed the intervention (WP, n = 9; FP, n = 12). Measures of body composition and physical performance were significantly improved in both groups (p < 0.05), with no effect of protein source. Likewise, markers of cardiometabolic disease risk (e.g., LDL (low-density lipoprotein) cholesterol, glucose, insulin, adiponectin, systolic blood pressure) were significantly improved (p < 0.05) to a similar extent in both groups. These results demonstrate that both whey protein and food protein sources combined with multimodal RISE training are equally effective at improving physical performance and cardiometabolic health in obese individuals.

Keywords: PRISE exercise training; cardiometabolic-risk; physical performance; protein-pacing.

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Figures

Figure 1

CONSORT (Consolidated Standards of Reporting Trials) flow chart of participants during the study intervention.

Figure 2

Comparisons of physical performance assessments between the food protein (FP) and the whey protein (WP) groups following the protein-pacing, resistance, interval, stretching, endurance training (PRISE): upper (A) and lower body maximal strength (B); core (C) and upper body muscular endurance (D); balance (E); flexibility (F) and grip strength (G). a Significantly different from baseline in each group (p < 0.01).

Figure 2

Figure 3

Comparison of percent lean body mass percent (%) lean body mass between the food protein (FP) and the whey protein (WP) groups following the PRISE training. a Significantly different from baseline in each group (p < 0.01).

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Protein-Pacing from Food or Supplementation Improves Physical Performance in Overweight Men and Women: The PRISE 2 Study - PubMed (original) (raw)