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

Amino acids and endurance exercise.

M H Hargreaves1, R Snow

  • 1School of Health Sciences, Deakin University, Burwood, 3125, Australia.

International Journal of Sport Nutrition and Exercise Metabolism
|March 20, 2001
PubMed
Summary

Active individuals may need more dietary protein, as amino acid use during exercise is minimal. Supplementing with BCAAs or glutamine offers no proven benefits for performance or immune function.

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

Missed opportunities for impact in patient and carer involvement: a mixed methods case study of research priority setting.

Research involvement and engagement·2017
Same author

Experiments on bijugate apices.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2014
Same author

Use of clinical targets in diabetes patient education: qualitative analysis of the expectations and impact of a structured self-management programme in Type 1 diabetes.

Diabetic medicine : a journal of the British Diabetic Association·2014
Same author

Setting research priorities for Type 1 diabetes.

Diabetic medicine : a journal of the British Diabetic Association·2012
Same author

Understanding issues associated with attending a young adult diabetes clinic: a case study.

Diabetic medicine : a journal of the British Diabetic Association·2011
Same author

A maternal diet supplemented with creatine from mid-pregnancy protects the newborn spiny mouse brain from birth hypoxia.

Neuroscience·2011

Area of Science:

  • Exercise Physiology
  • Nutritional Biochemistry

Background:

  • Skeletal muscle can oxidize amino acids, but utilization is low during fed, carbohydrate-replete exercise.
  • The source of amino acids for oxidation (free pool vs. protein breakdown) is debated.

Purpose of the Study:

  • To evaluate the impact of amino acid ingestion on exercise performance and related physiological markers.
  • To assess the ergogenic potential of branched-chain amino acids (BCAAs) and glutamine.

Main Methods:

  • Review of existing literature on amino acid utilization during exercise.
  • Analysis of controlled studies investigating BCAA and glutamine supplementation.

Main Results:

  • BCAA ingestion showed no significant effect on fatigue during prolonged exercise.
  • Limited evidence supports glutamine for immune function enhancement.
  • Glutamine with carbohydrates did not improve muscle glycogen synthesis beyond carbohydrates alone.

Conclusions:

  • Current evidence does not support routine amino acid supplementation for active individuals.
  • Dietary protein requirements may need adjustment for athletes, but specific amino acid supplements lack proven benefits.

Related Experiment Videos