An overview of the widespread use of creatine in sports and its effects
Currently, the scientific literature best supports creatine supplementation for increased performance in short-duration, maximal-intensity resistance training. Some creatine users do not know how much creatine to take and may take more than they should.
Anyone seeking specific orthopaedic advice or assistance should consult his or her orthopaedic surgeon, or locate one in your area through the AAOS Find an Orthopaedist program on this website. Food and Drug Administration does not regulate nutritional supplements. Dietary supplement use by children and adolescents in the United States to enhance sport performance: results of the National Health Interview Survey.
J R Army Med Corps. Conclusion Short-term use of creatine is considered safe and without significant adverse effects, although caution should be advised as the number of long-term studies is limited.
The safety of creatine supplementation has not been studied in children and adolescents. Creatine supplementation and upper limb strength performance: a systematic review and meta-analyses.
What athletes use creatine
Conclusion: While creatine appears to be safe and effective for particular settings, whether creatine supplementation leads to improved performance on the field of play remains unknown. From Kreider and Jung [ 6 ] Full size image Fig. J Int Soc Sports Nutr. A number of clinical applications of creatine supplementation have also been studied involving neurodegenerative diseases e. Sports doping in the adolescent: the Faustian conundrum of hors de combat. NCAA national study of substance use habits of college student-athletes. The remaining amount of creatine is synthesized primarily in the liver and kidneys from arginine and glycine by the enzyme arginine:glycine amidinotransferase AGAT to guanidinoacetate GAA , which is then methylated by guanidinoacetate N-methyltransferase GAMT using S-adenosyl methionine to form creatine see Fig. The effects of creatine supplementation on selected factors of tennis specific training. Currently, the scientific literature supports creatine supplementation for increased performance in short-duration, maximal-intensity resistance training.
based on 27 review