Does supplementation with leucine-enriched protein alone and in combination with fish-oil-derived n–3 PUFA affect muscle mass, strength, physical performance, and muscle protein synthesis in well-nourished older adults? A randomized, double-blind, placebo-controlled trial

C. H. Murphy, Ellen Flanagan, Giuseppe De Vito, Davide Susta, Kathleen A. J. Mitchelson, Elena de Marco Castro, Joan M. Senden, Joy P. B. Goessens, Agnieszka Mikłosz, Adrian Chabowski, Ricardo Segurado, Clare Corish, Sinéad N. McCarthy, Brendan Egan, Luc J. C. van Loon, Helen M. Roche