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Infographic. The effect of protein supplementation on resistance training-induced gains in muscle mass and strength
  1. Robert W Morton1,
  2. Kevin T Murphy1,
  3. Sean R McKellar1,
  4. Brad J Schoenfeld2,
  5. Menno Henselmans3,
  6. Eric Helms4,
  7. Alan A Aragon5,
  8. Michaela C Devries6,
  9. Laura Banfield7,
  10. James W Krieger8,
  11. Stuart M Phillips1
  1. 1 Kinesiology, McMaster University, Hamilton, Ontario, Canada
  2. 2 Health Sciences, Lehman College of CUNY Department of Health Sciences, Bronx, New York, USA
  3. 3 R&D, Bayesian Bodybuilding, Gorinchem, The Netherlands
  4. 4 Sport Performance Research Institute, New Zealand, Auckland, New Zealand
  5. 5 California State University Northridge, Northridge, California, USA
  6. 6 Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada
  7. 7 Health Sciences Library, McMaster University, Hamilton, Ontario, Canada
  8. 8 Weightology LLC, Issaquah, Washington, USA
  1. Correspondence to Dr Stuart M Phillips, Kinesiology, McMaster University, Hamilton, ON L8S 4L8, Canada; phillis{at}

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When you lift weights you get stronger and your muscles can get bigger, a process we call hypertrophy, and these changes can mean a big advantage in certain sports. We all ‘know’ that we need to consume supplemental protein when we lift weights to get bigger muscles, right? But what’s the real (science-based) answer? A meta-analysis is a way of looking at all of the studies that have been done in a particular area of science. In our study,1 we performed …

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  • Correction notice This article has been corrected since it published Online First. The author Robert W Morton has been added.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; externally peer reviewed.