Healthy Lifestyle Clinical Trial
Official title:
Creatine Monohydrate Versus Creatine Hydrochloride on Strength and Body Composition in Elite Team-Sport Athletes: A Three-arm Placebo-controlled Randomized Clinical Trial
A triple-arm double-blinded placebo-controlled repeated-measures randomized clinical trial in Colombian elite team-sport athletes. The aim is to evaluate the effects on strength-related parameters and body composition after eight weeks of supplementation with creatine monohydrate (CrM) and creatine hydrochloride (Cr-HCl). The study will be reported following the Consolidated Standards of Reporting Trials (CONSORT) extension to Multi-Arm Parallel-Group Randomized Trials. All variables will be measured at baseline and after eight weeks.
Creatine monohydrate (CrM) is the most studied nutritional supplement and, therefore, one of the most popular ergogenic nutritional aids for athletes. Studies have shown that CrM supplementation increases intramuscular creatine concentrations which enhances exercise performance and improves body composition in different populations (from young athletes to older adults). It is important to note that the U.S. Food and Drug Administration (FDA) have recognized CrM as a safe ingredient (Generally Recognized as Safe, GRAS - No. GRN 000931). In spite of this, other forms such as creatine chloride (Cr-HCl) have been marketed as a more bioavailable sources of creatine. Since there are not studies that rigorously compare the effects of CrM versus Cr-HCl on physical performance and body composition, the aim of this study is to evaluate the effects of a 8-week supplementation protocol with the two forms of creatine (comparing to placebo) on neuromuscular strength and body composition in Colombian elite team-sport athletes. ;
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