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Type and amount of dietary protein in the treatment of metabolic syndrome: a randomized controlled trial.

Hill AM, Harris Jackson KA, Roussell MA, West SG, Kris-Etherton PM - Am. J. Clin. Nutr. (2015)

Bottom Line: Diets were compared across 3 phases of energy balance: 5 wk of controlled (all foods provided) weight maintenance (WM), 6 wk of controlled weight loss (minimum 500-kcal/d deficit) including exercise (WL), and 12 wk of prescribed, free-living weight loss (FL).After WM, all groups had a MetS prevalence of 80-90% [healthy American diet (HAD) compared with WM, P = NS], which decreased to 50-60% after WL and was maintained through FL (HAD, WM vs WL, FL, P < 0.01).Weight loss was the primary modifier of MetS resolution in our study population regardless of protein source or amount.

View Article: PubMed Central - PubMed

Affiliation: School of Pharmacy & Medical Sciences, University of South Australia, Adelaide, Australia; and Department of Nutritional Sciences and.

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Related in: MedlinePlus

Mean ± SEM weight and body composition changes in BOLD (n = 20), BOLD+ (n = 21), and M-DASH (n = 21) diet groups after WM, WL, and FL phases. Different letters denote differences at time points from linear-mixed models adjusted for age and sex; phase, P < 0.0001; Tukey-adjusted P < 0.05. BOLD, Beef in an Optimal Lean Diet; BOLD+, Beef in an Optimal Lean Diet Plus Protein; FL, free-living weight-loss phase; HAD, healthy American diet; M-DASH, modified Dietary Approaches to Stop Hypertension; WL, weight loss (minimum 500-kcal/d deficit) including exercise phase; WM, weight-maintenance phase.
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fig2: Mean ± SEM weight and body composition changes in BOLD (n = 20), BOLD+ (n = 21), and M-DASH (n = 21) diet groups after WM, WL, and FL phases. Different letters denote differences at time points from linear-mixed models adjusted for age and sex; phase, P < 0.0001; Tukey-adjusted P < 0.05. BOLD, Beef in an Optimal Lean Diet; BOLD+, Beef in an Optimal Lean Diet Plus Protein; FL, free-living weight-loss phase; HAD, healthy American diet; M-DASH, modified Dietary Approaches to Stop Hypertension; WL, weight loss (minimum 500-kcal/d deficit) including exercise phase; WM, weight-maintenance phase.

Mentions: Daily compliance records for the controlled-feeding HAD phase indicated that there was total dietary compliance on 74% ± 2%, 81% ± 3%, and 84% ± 1% of reported study days for the BOLD, BOLD+ and M-DASH groups, respectively. During the WM phase (when participants were consuming the experimental diets), participants in the BOLD, BOLD+, and M-DASH groups reported being compliant on 70% ± 1%, 77% ± 1%, and 82% ± 1% of study days, respectively. Compliance during the WL phase was 75% ± 1%, 80% ± 1%, and 90% ± 1% for the BOLD, BOLD+, and M-DASH groups, respectively. Weight changes corresponding to the varying energy levels (i.e., WM or WL) during the controlled-feeding diet phases demonstrate an overall high amount of compliance to the study protocol during the controlled-feeding phases (see Weight and body composition, Figure 2). Participants did not achieve further weight loss during the FL phase; body weight losses were maintained during this phase.


Type and amount of dietary protein in the treatment of metabolic syndrome: a randomized controlled trial.

Hill AM, Harris Jackson KA, Roussell MA, West SG, Kris-Etherton PM - Am. J. Clin. Nutr. (2015)

Mean ± SEM weight and body composition changes in BOLD (n = 20), BOLD+ (n = 21), and M-DASH (n = 21) diet groups after WM, WL, and FL phases. Different letters denote differences at time points from linear-mixed models adjusted for age and sex; phase, P < 0.0001; Tukey-adjusted P < 0.05. BOLD, Beef in an Optimal Lean Diet; BOLD+, Beef in an Optimal Lean Diet Plus Protein; FL, free-living weight-loss phase; HAD, healthy American diet; M-DASH, modified Dietary Approaches to Stop Hypertension; WL, weight loss (minimum 500-kcal/d deficit) including exercise phase; WM, weight-maintenance phase.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4588738&req=5

fig2: Mean ± SEM weight and body composition changes in BOLD (n = 20), BOLD+ (n = 21), and M-DASH (n = 21) diet groups after WM, WL, and FL phases. Different letters denote differences at time points from linear-mixed models adjusted for age and sex; phase, P < 0.0001; Tukey-adjusted P < 0.05. BOLD, Beef in an Optimal Lean Diet; BOLD+, Beef in an Optimal Lean Diet Plus Protein; FL, free-living weight-loss phase; HAD, healthy American diet; M-DASH, modified Dietary Approaches to Stop Hypertension; WL, weight loss (minimum 500-kcal/d deficit) including exercise phase; WM, weight-maintenance phase.
Mentions: Daily compliance records for the controlled-feeding HAD phase indicated that there was total dietary compliance on 74% ± 2%, 81% ± 3%, and 84% ± 1% of reported study days for the BOLD, BOLD+ and M-DASH groups, respectively. During the WM phase (when participants were consuming the experimental diets), participants in the BOLD, BOLD+, and M-DASH groups reported being compliant on 70% ± 1%, 77% ± 1%, and 82% ± 1% of study days, respectively. Compliance during the WL phase was 75% ± 1%, 80% ± 1%, and 90% ± 1% for the BOLD, BOLD+, and M-DASH groups, respectively. Weight changes corresponding to the varying energy levels (i.e., WM or WL) during the controlled-feeding diet phases demonstrate an overall high amount of compliance to the study protocol during the controlled-feeding phases (see Weight and body composition, Figure 2). Participants did not achieve further weight loss during the FL phase; body weight losses were maintained during this phase.

Bottom Line: Diets were compared across 3 phases of energy balance: 5 wk of controlled (all foods provided) weight maintenance (WM), 6 wk of controlled weight loss (minimum 500-kcal/d deficit) including exercise (WL), and 12 wk of prescribed, free-living weight loss (FL).After WM, all groups had a MetS prevalence of 80-90% [healthy American diet (HAD) compared with WM, P = NS], which decreased to 50-60% after WL and was maintained through FL (HAD, WM vs WL, FL, P < 0.01).Weight loss was the primary modifier of MetS resolution in our study population regardless of protein source or amount.

View Article: PubMed Central - PubMed

Affiliation: School of Pharmacy & Medical Sciences, University of South Australia, Adelaide, Australia; and Department of Nutritional Sciences and.

Show MeSH
Related in: MedlinePlus