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:: Volume 18, Number 6 (Iranian South Medical Journal 2016) ::
Iran South Med J 2016, 18(6): 1186-1197 Back to browse issues page
Evaluation the effects of L-arginine supplementation on exercise performance, body composition and serum sodium and potassium in healthy male athletes
Jahanger Karimian1, Mohammadhosean Entezari2, Naseh Pahlavani *3, Bahman Papi4, Hamid Rasad2, Fakhrodin Chaboksavar5
1- Department of Management and Medical Information, Isfahan University of Medical Sciences, Isfahan,Iran
2- Food Security Research Center, Department of Clinical Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
3- Department of Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran , nasehp67@gmail.com
4- Department of Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
5- Department of Health Education, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
Abstract:   (1973 Views)

Background: L- Arginine is a semi-essential amino acid that can affect athletic performance. Thus the purpose of this study was to evaluate the effect of L- arginine supplementation on athletic performance, body composition and serum sodium and potassium levels in male athletes.

Materials and Methods: This study was a randomized double-blind controlled clinical trial. Participants, 56 male athletes with an average age of 20.85±4.29 years were selected in Isfahan University of Medical Science clubs in the winter of 2014. Athletes received l- arginine supplementation with a dose of 2 g daily for 45 days in the intervention group and the same amount of placebo (maltodextrin) in the control group received. At the beginning and end of the study, the level of athletic performance, body composition and serum sodium and potassium levels were measured and data were analysis with using SPSS software version 19.

Results: At the end of the study athletic performance in the group receiving supplements of L - arginine significantly improved compared to the control group (P=0.035). However, no significant changes in body composition and serum sodium and potassium levels were observed (P>0.05).

Conclusion: Supplementation of L - arginine can improve athletic performance in semi-professional athletes.

Keywords: L - arginine, athletes, sports performance, serum sodium and potassium, body composition
Full-Text [PDF 620 kb]   (1008 Downloads)    
Type of Study: Original | Subject: Biochemistry. Cell Biology and Genetics
Received: 2015/12/22 | Accepted: 2015/12/22 | Published: 2015/12/22
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DOI: 10.7508/ismj.1394.06.009


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Karimian J, Entezari M, Pahlavani N, Papi B, Rasad H, Chaboksavar F. Evaluation the effects of L-arginine supplementation on exercise performance, body composition and serum sodium and potassium in healthy male athletes. Iran South Med J. 2016; 18 (6) :1186-1197
URL: http://ismj.bpums.ac.ir/article-1-752-en.html
Volume 18, Number 6 (Iranian South Medical Journal 2016) Back to browse issues page
دانشگاه علوم پزشکی بوشهر، طب جنوب ISMJ

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