Cited by 651Muscle metabolism and nutritionMuscle Physiology and DisordersNutrition and Health in Aging

The Skeletal Muscle Anabolic Response to Plant- versus Animal-Based Protein Consumption

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van Vliet, Stephan, Burd, Nicholas A, van Loon, Luc JC·2015·The Journal of Nutrition

Abstract

Clinical and consumer market interest is increasingly directed toward the use of plant-based proteins as dietary components aimed at preserving or increasing skeletal muscle mass. However, recent evidence suggests that the ingestion of the plant-based proteins in soy and wheat results in a lower muscle protein synthetic response when compared with several animal-based proteins. The possible lower anabolic properties of plant-based protein sources may be attributed to the lower digestibility of plant-based sources, in addition to greater splanchnic extraction and subsequent urea synthesis of plant protein-derived amino acids compared with animal-based proteins. The latter may be related to the relative lack of specific essential amino acids in plant- as opposed to animal-based proteins. Furthermore, most plant proteins have a relatively low leucine content, which may further reduce their anabolic properties when compared with animal proteins. However, few studies have actually assessed the postprandial muscle protein synthetic response to the ingestion of plant proteins, with soy and wheat protein being the primary sources studied. Despite the proposed lower anabolic properties of plant vs. animal proteins, various strategies may be applied to augment the anabolic properties of plant proteins. These may include the following: 1) fortification of plant-based protein sources with the amino acids methionine, lysine, and/or leucine; 2) selective breeding of plant sources to improve amino acid profiles; 3) consumption of greater amounts of plant-based protein sources; or 4) ingesting multiple protein sources to provide a more balanced amino acid profile. However, the efficacy of such dietary strategies on postprandial muscle protein synthesis remains to be studied. Future research comparing the anabolic properties of a variety of plant-based proteins should define the preferred protein sources to be used in nutritional interventions to support skeletal muscle mass gain or maintenance in both healthy and clinical populations.

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  • Plant protein, including soy, is deficient in specific essential amino acids.

    “Plant protein, including soy, is deficient in specific EAAs [15,52].”
  • Amino acids from animal-based sources have a more pronounced anabolic effect than those from plant-based sources.

    “Amino acids derived from animal-based sources have a more pronounced anabolic effect than those derived from plant-based sources179.”

    From Sarcopenic obesity in older adults: a clinical overview (2024) · cites this paper as [179]

  • Blending plant-based protein sources is a suggested method to obviate essential amino acid deficiencies.

    “Blending plant-based protein sources is a suggested method to obviate EAA deficiencies [71,83].”

    From Nutritional Considerations for the Vegan Athlete (2023) · cites this paper as [71]

  • The robust postexercise MPS responses to milk, egg, and meat-derived proteins have been attributed to their high essential amino acid content, particularly leucine, a lack of notable amino acid deficiencies, rapid digestibility, and high total digestibility/absorbability.

    “This has been attributed to their high essential amino acid (EAA) content [69], particularly leucine [70], a lack of any notable amino acid deficiencies [71], rapid digestibility [72], and a high total digestibility/absorbability and therefore availability in the circulation (ie, ‘bioavailability’) [72].”

    From Nutritional Considerations for the Vegan Athlete (2023) · cites this paper as [71]

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Research works printed but not linked: 2

  1. [26]26. Symons TB, Sheffield-Moore M, Wolfe RR, Paddon-Jones D. A moderate serving of high-quality protein maximally stimulates skeletal muscle protein synthesis in young and elderly subjects. J Am Diet Assoc 2009;109:1582-6.
  2. [45]45. WHO/FAO/UNU. Protein and amino acid requirements in human nutrition: report of a joint WHO/FAO/UNU expert consultation. World Health Organ Tech Rep Ser 2007;935:1-265.

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Authors
van Vliet, S., Burd, N. A., & van Loon, L. J.
Affiliations
University of Illinois Urbana-Champaign (US)
Venue
The Journal of Nutrition
Publisher
Elsevier BV
Published
2015-09
Volume
145
Issue
9
Pages
1981-1991
ISSN
0022-3166 (ISSN-L)
OpenAlex
W2113689811
Cited by
651
References
100
Citations by year
2026: 66 · 2025: 73 · 2024: 69 · 2023: 77 · 2022: 76 · 2021: 75 · 2020: 74 · 2019: 45 · 2018: 39 · 2017: 29 · 2016: 24 · 2015: 3
FWCI
3.17
Type
journal article
Language
en
Open access
Locations
  • Journal of Nutrition (publishedVersion)
  • PubMed (publishedVersion)
  • Research Bank (Australian Catholic University) (submittedVersion)
  • Research Publications (Maastricht University) (submittedVersion, other-oa)
  • VUBIR (Vrije Universiteit Brussel) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
Keywords
plant proteins, animal protein, skeletal muscle anabolism, muscle protein synthesis, soy protein, wheat proteins, leucine, essential amino acids, urea synthesis, protein digestibility, muscle mass preservation, protein fortification, amino acid composition
MeSH terms
Whey Proteins, Animals, Cattle, Dietary Proteins, Humans, Leucine, Meat, Milk Proteins, Muscle Proteins, Plant Proteins, Protein Biosynthesis, Muscle, Skeletal, Postprandial Period, Soybean Proteins, Food Quality

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