Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Protein supplements and exercise.

R R Wolfe1

  • 1Shriners Burns Institute, Metabolism Unit, University of Texas Medical Branch, Galveston, TX 77550, USA.

The American Journal of Clinical Nutrition
|August 2, 2000
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The anabolic response to resistance exercise and a protein-rich meal is not diminished by age.

The journal of nutrition, health & aging·2011
Same author

Social problems of the hospitalized elderly.

Canadian family physician Medecin de famille canadien·2010
Same author

The danger of weight loss in the elderly.

The journal of nutrition, health & aging·2008
Same author

The deleterious effects of bed rest on human skeletal muscle fibers are exacerbated by hypercortisolemia and ameliorated by dietary supplementation.

American journal of physiology. Cell physiology·2007
Same author

Management strategy for very mild aortic valve stenosis.

Pediatric cardiology·2006
Same author

Amino acid supplementation alters bone metabolism during simulated weightlessness.

Journal of applied physiology (Bethesda, Md. : 1985)·2005
Same journal

Associations of red blood cell fatty acids with personality traits: 10-year follow-up in the Kibbutzim Family Study.

The American journal of clinical nutrition·2026
Same journal

Corrigendum to: Vitamin D status and breast cancer in Saudi Arabian women: case-control study [Am J Clin Nutr 98 (2013) 105-110].

The American journal of clinical nutrition·2026
Same journal

High postprandial endotoxemia is associated with recurrence of cardiovascular events in patients with coronary heart disease: from the CORDIOPREV randomized clinical trial.

The American journal of clinical nutrition·2026
Same journal

Reply to Wu et al.: "Nitrate and nitrite food composition database: an update and extensive deep dive".

The American journal of clinical nutrition·2026
Same journal

Reframing Basic Experimental Studies in Humans-Implications for Nutrition Science.

The American journal of clinical nutrition·2026
Same journal

Inconvenient for the investigator but convenient for science: trial registration in The American Journal of Clinical Nutrition.

The American journal of clinical nutrition·2026
See all related articles

Protein and amino acid supplements may aid muscle growth, but research is inconclusive. Timing and type of supplement are crucial for maximizing benefits post-exercise.

Area of Science:

  • Exercise Physiology
  • Nutritional Biochemistry

Background:

  • Consensus on protein/amino acid supplements for exercise is lacking.
  • Challenges include endpoint selection and understanding protein metabolism.
  • Energy intake complicates whole-body dietary studies.

Purpose of the Study:

  • To investigate the tissue-level effects of amino acid intake on muscle protein metabolism.
  • To determine the impact of timing of amino acid supplementation relative to exercise.

Main Methods:

  • Focus shifted from whole-body to tissue-level analysis.
  • Examined muscle protein breakdown and synthesis responses to exercise.
  • Assessed the effect of amino acid intake on muscle protein synthesis.

Main Results:

Related Experiment Videos

  • Exercise increases both muscle protein breakdown and synthesis in untrained individuals.
  • Amino acid intake post-exercise stimulates muscle protein synthesis.
  • The post-exercise stimulatory effect of amino acids is greater than at rest.

Conclusions:

  • Amino acid supplementation can enhance post-exercise muscle protein synthesis.
  • Supplement composition, amount, and timing are critical factors.
  • Future research should consider these variables for accurate efficacy evaluation.