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Dietary protein considerations to support active aging.

Benjamin T Wall1, Naomi M Cermak, Luc J C van Loon

  • 1NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht, 6200 MD, The Netherlands.

Sports Medicine (Auckland, N.Z.)
|October 31, 2014
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Summary
This summary is machine-generated.

Active older adults can maintain muscle mass by consuming adequate dietary protein, especially when timed with physical activity. This strategy supports strength, function, and healthier aging, combating age-related muscle loss (sarcopenia).

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Area of Science:

  • Gerontology
  • Nutritional Science
  • Exercise Physiology

Background:

  • Global populations are aging, increasing the prevalence of sarcopenia (age-related muscle loss).
  • Sarcopenia contributes to frailty, metabolic disease, and reduced physical activity in older adults.
  • While protein supplementation benefits younger individuals, its role in active older adults is less understood.

Purpose of the Study:

  • To review the role of dietary protein in maintaining skeletal muscle mass, strength, and function in active older adults.
  • To highlight strategies for optimizing protein intake to support muscle health during aging.
  • To address the blunted muscle protein synthetic response in older individuals.

Main Methods:

  • Literature review of current research on dietary protein, physical activity, and skeletal muscle adaptation in older adults.
  • Analysis of evidence regarding optimal protein type, amount, and timing.
  • Synthesis of findings on the interaction between exercise and protein consumption.

Main Results:

  • Older adults have a reduced muscle protein synthetic response to protein intake.
  • Physical activity close to protein consumption largely overcomes this blunted response.
  • Optimal protein intake strategies can enhance muscle maintenance or hypertrophy in active older individuals.

Conclusions:

  • Dietary protein, strategically consumed around physical activity, is crucial for active older adults.
  • Adhering to optimal protein principles can augment muscle mass, strength, and function.
  • This approach supports healthier aging and mitigates the impact of sarcopenia.