Effect of adding exercise to a diet containing glucomannan

William J. Kraemer, Jakob L. Vingren, Ricardo Silvestre, Barry A. Spiering, Disa L. Hatfield, Jen-Yu Ho, Maren S. Fragala, Carl M. Maresh, Jeff S. Volek

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The aim of this study was to examine the effect of adding a total-body exercise program to an 8-week diet supplemented with glucomannan on weight loss, body composition, blood parameters, and physical performance in overweight men and women. Sedentary men and women who were overweight (body mass index >25 kg m-2) (men: 18-57 years, 27.0 ± 11.2 years, 177.5 ± 7.6 cm, 102.4 ± 14.9 kg; women: 18-52 years, 33.4 ± 12.1 years, 160.6 ± 4.6 cm, 79.9 ± 9.3 kg) completed an 8-week diet with 3000 mg glucomannan combined with either no exercise (No-Ex) (10 men, 10 women) or a resistance and endurance exercise training program (Ex) (12 men, 10 women). The diet emphasized healthy food choices and portion size control. The exercise training consisted of 3 weekly sessions of approximately 1 hour of a nonlinear periodized total-body resistance exercise program followed by 30 minutes of endurance exercise. After the intervention, there were reductions (P < .05) in body mass (men, -2.7 ± 1.4 and -3.0 ± 4.0 kg; women, -2.2 ± 1.5 and -3.3 ± 1.5 kg; No-Ex and Ex, respectively), fat mass (men, -2.3 ± 1.6 and -3.9 ± 2.5 kg; women, -2.6 ± 1.4 and -3.6 ± 1.1 kg; No-Ex and Ex, respectively), total cholesterol (TC) (men, -17.9 ± 21.5 and -18.8 ± 19.4 mg dL-1; women, -9.3 ± 20.0 and -10.1 ± 19.5 mg dL-1; No-Ex and Ex, respectively), and low-density lipoprotein cholesterol. Exercise significantly improved high-density lipoprotein cholesterol (HDL-C) (No-Ex, -2.0 ± 4.7 and -2.3 ± 4.5 mg dL-1 vs Ex, 4.4 ± 10.8 and 1.6 ± 3.6 mg dL-1; men and women, respectively), TC/HDL-C ratio, squat and bench press 1-repetition maximum, and distance covered during a shuttle-run test. In addition, exercise appeared to augment the reduction in fat mass (by 63% and 50%; men and women, respectively) and waist circumference, but did not affect total weight loss. Addition of a resistance and endurance exercise training program to a glucomannan diet regimen significantly improved measures of body composition, HDL-C, and TC/HDL-C ratio.

Original languageEnglish
Pages (from-to)1149-1158
Number of pages10
JournalMetabolism: Clinical and Experimental
Volume56
Issue number8
DOIs
Publication statusPublished - 2007 Aug 1

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Exercise
Diet
HDL Cholesterol
Cholesterol
Body Composition
(1-6)-alpha-glucomannan
Weight Loss
Fats
Portion Size
Education
Waist Circumference
LDL Cholesterol
Body Mass Index
Food

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

Cite this

Kraemer, W. J., Vingren, J. L., Silvestre, R., Spiering, B. A., Hatfield, D. L., Ho, J-Y., ... Volek, J. S. (2007). Effect of adding exercise to a diet containing glucomannan. Metabolism: Clinical and Experimental, 56(8), 1149-1158. https://doi.org/10.1016/j.metabol.2007.04.010

Effect of adding exercise to a diet containing glucomannan. / Kraemer, William J.; Vingren, Jakob L.; Silvestre, Ricardo; Spiering, Barry A.; Hatfield, Disa L.; Ho, Jen-Yu; Fragala, Maren S.; Maresh, Carl M.; Volek, Jeff S.

In: Metabolism: Clinical and Experimental, Vol. 56, No. 8, 01.08.2007, p. 1149-1158.

Research output: Contribution to journalArticle

Kraemer, WJ, Vingren, JL, Silvestre, R, Spiering, BA, Hatfield, DL, Ho, J-Y, Fragala, MS, Maresh, CM & Volek, JS 2007, 'Effect of adding exercise to a diet containing glucomannan', Metabolism: Clinical and Experimental, vol. 56, no. 8, pp. 1149-1158. https://doi.org/10.1016/j.metabol.2007.04.010
Kraemer WJ, Vingren JL, Silvestre R, Spiering BA, Hatfield DL, Ho J-Y et al. Effect of adding exercise to a diet containing glucomannan. Metabolism: Clinical and Experimental. 2007 Aug 1;56(8):1149-1158. https://doi.org/10.1016/j.metabol.2007.04.010
Kraemer, William J. ; Vingren, Jakob L. ; Silvestre, Ricardo ; Spiering, Barry A. ; Hatfield, Disa L. ; Ho, Jen-Yu ; Fragala, Maren S. ; Maresh, Carl M. ; Volek, Jeff S. / Effect of adding exercise to a diet containing glucomannan. In: Metabolism: Clinical and Experimental. 2007 ; Vol. 56, No. 8. pp. 1149-1158.
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