Comparing Three Different Forms Of Creatine.
Using six healthy subjects and a cross over design, researchers had subjects ingest isomolar amounts of creatine in the amount of 4.4g. Three forms of creatine were used, creatine monohydrate, tri-creatine citrate and creatine pyruvate. Each subject received each form of creatine with seven days separating each dose. After the subject ingested the creatine, blood samples were drawn at different time points all the way up to eight hours to measure peak concentrations of creatine following ingestion.
Of the three forms of creatine, creatine pyruvate was the fastest absorbed, followed by tri-creatine citrate, followed by creatine monohydrate. Would these small differences have any significant impact on muscle creatine concentrations? The researchers stated no, stating creatine monohydrate already has close to 100% bioavailability. Based off this study, it appears that these two other forms of creatine are no more effective than creatine monohydrate, while being more costly.
Jäger R, Harris RC, Purpura M, Francaux M
Comparison of new forms of creatine in raising plasma creatine levels
Journal of the International Society of Sports Nutrition 2007, 4:17 (12 November 2007)
By: ATHLETIC EDGE NUTRITION
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