oa South African Journal of Sports Medicine - The effect of protein supplementation on muscle strength and body composition in body-builders

Volume 2, Issue 1
  • ISSN : 1015-5163
  • E-ISSN: 2078-516X



In spite of little scientific evidence, there is a belief among bodybuilders and other sportspersons that a diet high in protein promotes the development of muscle hypertrophy and strength. To examine whether this is indeed true we randomly assigned 22 body-builders, who trained 6 hours per week and who ingested less than 2.0g protein kg1 day, to either an experimental group (n = 12) or a control group (n = 10).

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