Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/21492
Appears in Collections:Faculty of Health Sciences and Sport Journal Articles
Title: Effects of four weeks L-Carnitine L-tartrate ingestion on substrate utilization during prolonged exercise
Authors: Broad, Elizabeth M
Maughan, Ronald J
Galloway, S D
Contact Email: s.d.r.galloway@stir.ac.uk
Keywords: carnitine
time trial
cyclists
fat oxidation
carbohydrate oxidation
Issue Date: Dec-2005
Publisher: Human Kinetics, Inc.
Citation: Broad EM, Maughan RJ & Galloway SD (2005) Effects of four weeks L-Carnitine L-tartrate ingestion on substrate utilization during prolonged exercise, International Journal of Sport Nutrition and Exercise Metabolism, 15 (6), pp. 665-679.
Abstract: In a randomized, placebo-controlled, double-blind crossover design, 15 trained males undertook exercise trials during two 4 wk supplementation periods, with either 3 g L-Carnitine L-tartrate (LCLT) or 3 g placebo (P) daily. Total carbohydrate and fat oxidation during 90 min steady state cycling were not different between 0 or 4 wk within LCLT or P trials (mean ± standard deviation: carbohydrate oxidation P0 99 ± 36, P4W 111 ± 27, LCLT0 107 ± 33, LCLT4W 112 ± 32 g, respectively; fat oxidation P0 99 ± 28, P4W 92 ± 21, LCLT0 94 ± 18, LCLT4W 90 ± 22 g, respectively). Subsequent 20 km time trial duration was shorter after P (P0 31:29 ± 3:50, P4W 29:55 ± 2:58 min:s, P < 0.01), with no significant change over LCLT (LCLT031:46 ± 4:06, LCLT4W 31.19 ± 4.08 min:s). Four weeks LCLT supplementation had no effect on substrate utilization or endurance performance.
Type: Journal Article
URI: http://hdl.handle.net/1893/21492
URL: http://journals.humankinetics.com/ijsnem-back-issues/IJSNEMVolume15Issue6December/EffectsofFourWeeksLCarnitineLtartrateIngestiononSubstrateUtilizationDuringProlongedExercise
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: University of Stirling
Loughborough University
Sport

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