Randomized Trialmoderate evidence
Creatine formulations and repeated sprint training: effects on physical and physiological adaptations in soccer players during the short-term preparation phase.
Journal of the International Society of Sports Nutrition·December 31, 2026·PMID 42720250
Why it mattersCreatine is widely used to enhance training adaptations, but formulation-specific effects remain unclear. This study suggests that ethyl ester and hydrochloride forms may offer greater short-term performance gains than monohydrate in soccer players, potentially informing supplement selection during preparatory phases.
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