Creatine Monohydrate Supplementation, but not Creatyl-L-Leucine, Increased Muscle Creatine Content in Healthy Young Adults: A Double-Blind Randomized Controlled Trial. - Askow, Andrew T.; Paulussen, Kevin J.M.; McKenna, Colleen F.; Salvador, Amadeo F.; Scaroni, Susannah E.; Hamann, Jade S.; Ulanov, Alexander V.; Li, Zhong; Paluska, Scott A.; Beaudry, Kayleigh M.; De Lisio, Michael; Burd, Nicholas A. (International Journal of Sport Nutrition & Exercise Metabolism, 2022)