Cited by 237Muscle metabolism and nutritionSports Performance and TrainingCardiovascular and exercise physiology

Milk ingestion stimulates net muscle protein synthesis following resistance exercise

ELLIOT, TABATHA A., CREE, MELANIE G., SANFORD, ARTHUR P., WOLFE, ROBERT R., TIPTON, KEVIN D.·2006·Medicine & Science in Sports & Exercise

Abstract

PURPOSE: Previous studies have examined the response of muscle protein to resistance exercise and nutrient ingestion. Net muscle protein synthesis results from the combination of resistance exercise and amino acid intake. No study has examined the response of muscle protein to ingestion of protein in the context of a food. This study was designed to determine the response of net muscle protein balance following resistance exercise to ingestion of nutrients as components of milk. METHOD: Three groups of volunteers ingested one of three milk drinks each: 237 g of fat-free milk (FM), 237 g of whole milk (WM), and 393 g of fat-free milk isocaloric with the WM (IM). Milk was ingested 1 h following a leg resistance exercise routine. Net muscle protein balance was determined by measuring amino acid balance across the leg. RESULTS: Arterial concentrations of representative amino acids increased in response to milk ingestion. Threonine balance and phenylalanine balance were both > 0 following milk ingestion. Net amino acid uptake for threonine was 2.8-fold greater (P < 0.05) for WM than for FM. Mean uptake of phenylalanine was 80 and 85% greater for WM and IM, respectively, than for FM, but not statistically different. Threonine uptake relative to ingested was significantly (P < 0.05) higher for WM (21 +/- 6%) than FM (11 +/- 5%), but not IM (12 +/- 3%). Mean phenylalanine uptake/ingested also was greatest for WM, but not significantly. CONCLUSIONS: Ingestion of milk following resistance exercise results in phenylalanine and threonine uptake, representative of net muscle protein synthesis. These results suggest that whole milk may have increased utilization of available amino acids for protein synthesis.

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Crossref · 10.1249/01.mss.0000210190.64458.25

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  • Whole milk consumed after resistance exercise may be more effective at stimulating amino acid incorporation into skeletal muscle than fat-free milk.

    “For instance, whole milk consumed after resistance exercise may be more effective at stimulating amino acid incorporation into skeletal muscle than fat free milk [115].”

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Authors
ELLIOT, T. A., CREE, M. G., SANFORD, A. P., WOLFE, R. R., & TIPTON, K. D.
Affiliations
Shriners Hospitals for Children - Galveston (US)
Venue
Medicine & Science in Sports & Exercise
Published
2006-04
Volume
38
Issue
4
Pages
667-674
ISSN
0195-9131 (ISSN-L)
OpenAlex
W2107636417
Cited by
237
References
25
Citations by year
2026: 4 · 2025: 10 · 2024: 7 · 2023: 9 · 2022: 11 · 2021: 15 · 2020: 15 · 2019: 19 · 2018: 9 · 2017: 13 · 2016: 11 · 2015: 15 · 2014: 11 · 2013: 17 · 2012: 12
FWCI
4.83
Type
journal article
Language
en
Open access
closed
Locations
  • Medicine & Science in Sports & Exercise (publishedVersion)
  • PubMed (publishedVersion)
  • Stirling Online Research Repository (University of Stirling) (submittedVersion)
Funders
National Center for Research Resources (M01 RR-00073, M01RR000073)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
Keywords
resistance training, milk consumption, whole milk, skim milk, amino acid balance, phenylalanine uptake, leg exercise
MeSH terms
Administration, Oral, Adult, Amino Acids, Analysis of Variance, Animals, Exercise Test, Female, Humans, Leg, Male, Milk, Muscle Proteins, Protein Biosynthesis, Muscle, Skeletal

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