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A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults

British Journal of Sports Medicine · 2017 · Vol. 52(6) · pp. 376–384

Robert W. Morton(McMaster University)Kevin T. Murphy(McMaster University)Sean McKellar(McMaster University)Brad J. Schöenfeld(Lehman College)Menno HenselmansEric R. Helms(Auckland University of Technology)Alan A. Aragon(California State University, Northridge)Michaela C. Devries(University of Waterloo)Laura Banfield(McMaster University)JAMES KRIEGER(Washington Center for Weight Management and Research)Stuart M. Phillips✉(McMaster University)

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Abstract

Dietary protein supplementation significantly enhanced changes in muscle strength and size during prolonged RET in healthy adults. Increasing age reduces and training experience increases the efficacy of protein supplementation during RET. With protein supplementation, protein intakes at amounts greater than ~1.6 g/kg/day do not further contribute RET-induced gains in FFM.

Muscle metabolism and nutrition Sports Performance and Training Diet and metabolism studiesResistance trainingMuscle massMeta-analysisMeta-regressionStrength trainingMuscle strengthMedicinePhysical medicine and rehabilitationTraining (meteorology)Physical therapy

MeSH terms

AdultDietary ProteinsHumansRegression AnalysisRandomized Controlled Trials as TopicMuscle, SkeletalDietary SupplementsMuscle StrengthResistance Training