Whey and casein labeled with L-[1-C]leucine and muscle protein synthesis: effect of resistance exercise and protein ingestion

Søren Reitelseder, Jakob Agergaard, Simon Doessing, Ida C. Helmark, Peter Lund, Niels B. Kristensen, Jan Frystyk, Allan Flyvbjerg, Peter Schjerling, Gerrit van Hall, Michael Kjaer, and Lars Holm Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery M, Bispebjerg Hospital and Center for Healthy Aging, Faculty of Health Sciences, University of Copenhagen, Copenhagen; Department of Animal Health and Bioscience, Faculty of Agricultural Sciences, Aarhus University, Tjele; The Medical Research Laboratories, Clinical Institute and Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus; and Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen and Metabolic Mass Spectrometry Facility, Rigshospitalet, Copenhagen, Denmark