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A meta-analysis of the effects of glycerol-induced hyperhydration on fluid retention and endurance performance.
Int J Sport Nutr Exerc Metab. 2007 Aug; 17(4):391-410.IJ

Abstract

The authors determined, through a meta-analytic approach, whether glycerol-induced hyperhydration (GIH) enhances fluid retention and increases endurance performance (EP) significantly more than water-induced hyperhydration (WIH). Collectively, studies administered 23.9 +/- 2.7 mL of fluid/kg body weight (BW) with 1.1 +/- 0.2 g glycerol/kg BW, and hyperhydration was measured 136 +/- 15 min after its onset. Compared with WIH, GIH increased fluid retention by 7.7 +/- 2.8 mL/kg BW (P < 0.01; pooled effect size [PES]: 1.64 +/- 0.80, P < 0.01, N = 14). The use of GIH was associated with an improvement in EP of 2.62% +/- 1.60% (P = 0.047; PES: 0.35 +/- 0.13, P = 0.014, N = 4). Unarguably, GIH significantly enhances fluid retention better than WIH. Because of the dearth of data, the effect of GIH on EP must be further investigated before more definitive conclusions can be drawn as to its ergogenic property.

Authors+Show Affiliations

McGill Nutrition and Food Science Centre, McGill University Health Centre, Royal Victoria Hospital, Montréal, Québec, Canada.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Meta-Analysis
Research Support, Non-U.S. Gov't
Review

Language

eng

PubMed ID

17962713

Citation

Goulet, Eric D B., et al. "A Meta-analysis of the Effects of Glycerol-induced Hyperhydration On Fluid Retention and Endurance Performance." International Journal of Sport Nutrition and Exercise Metabolism, vol. 17, no. 4, 2007, pp. 391-410.
Goulet ED, Aubertin-Leheudre M, Plante GE, et al. A meta-analysis of the effects of glycerol-induced hyperhydration on fluid retention and endurance performance. Int J Sport Nutr Exerc Metab. 2007;17(4):391-410.
Goulet, E. D., Aubertin-Leheudre, M., Plante, G. E., & Dionne, I. J. (2007). A meta-analysis of the effects of glycerol-induced hyperhydration on fluid retention and endurance performance. International Journal of Sport Nutrition and Exercise Metabolism, 17(4), 391-410.
Goulet ED, et al. A Meta-analysis of the Effects of Glycerol-induced Hyperhydration On Fluid Retention and Endurance Performance. Int J Sport Nutr Exerc Metab. 2007;17(4):391-410. PubMed PMID: 17962713.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A meta-analysis of the effects of glycerol-induced hyperhydration on fluid retention and endurance performance. AU - Goulet,Eric D B, AU - Aubertin-Leheudre,Mylene, AU - Plante,Gerard E, AU - Dionne,Isabelle J, PY - 2007/10/27/pubmed PY - 2007/12/6/medline PY - 2007/10/27/entrez SP - 391 EP - 410 JF - International journal of sport nutrition and exercise metabolism JO - Int J Sport Nutr Exerc Metab VL - 17 IS - 4 N2 - The authors determined, through a meta-analytic approach, whether glycerol-induced hyperhydration (GIH) enhances fluid retention and increases endurance performance (EP) significantly more than water-induced hyperhydration (WIH). Collectively, studies administered 23.9 +/- 2.7 mL of fluid/kg body weight (BW) with 1.1 +/- 0.2 g glycerol/kg BW, and hyperhydration was measured 136 +/- 15 min after its onset. Compared with WIH, GIH increased fluid retention by 7.7 +/- 2.8 mL/kg BW (P < 0.01; pooled effect size [PES]: 1.64 +/- 0.80, P < 0.01, N = 14). The use of GIH was associated with an improvement in EP of 2.62% +/- 1.60% (P = 0.047; PES: 0.35 +/- 0.13, P = 0.014, N = 4). Unarguably, GIH significantly enhances fluid retention better than WIH. Because of the dearth of data, the effect of GIH on EP must be further investigated before more definitive conclusions can be drawn as to its ergogenic property. SN - 1526-484X UR - https://www.unboundmedicine.com/medline/citation/17962713/A_meta_analysis_of_the_effects_of_glycerol_induced_hyperhydration_on_fluid_retention_and_endurance_performance_ L2 - https://journals.humankinetics.com/doi/10.1123/ijsnem.17.4.391 DB - PRIME DP - Unbound Medicine ER -