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Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
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Proteins: Dietary Sources and Requirements

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Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...

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The Effect of Aging on Tissues

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Updated: Sep 23, 2025

The Creation of a Rat Model for Osteosarcopenia via Ovariectomy

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Dietary Patterns and the Risk of Sarcopenia: A Systematic Review and Meta-Analysis.

Mary E Van Elswyk¹, Lynn Teo², Clara S Lau³

¹Van Elswyk Consulting, Inc., Clark, CO, USA.

Current Developments in Nutrition

|May 11, 2022

Summary

Healthy eating patterns may help maintain walking speed in older adults, potentially reducing sarcopenia risk. However, current evidence is limited by serious bias, requiring more research for definitive conclusions.

Keywords:

aging cluster analysis diet index diet score dietary pattern factor analysis macronutrient muscle physical function sarcopenia

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Area of Science:

Gerontology
Nutrition Science
Public Health

Background:

Sarcopenia, characterized by loss of muscle mass and strength, is a growing concern in aging populations.
Dietary patterns are increasingly recognized as a modifiable factor influencing sarcopenia risk.
Existing research requires synthesis to clarify the relationship between diet and sarcopenia.

Purpose of the Study:

To systematically review and meta-analyze the evidence on dietary patterns and sarcopenia.
To assess the association between adherence to dietary patterns and sarcopenia risk or its markers.
To inform the 2020 Dietary Guidelines Advisory Committee with evidence on nutrition and muscle health.

Main Methods:

Systematic review and meta-analysis of peer-reviewed controlled and observational trials.
Inclusion of studies on adult and older-adult human subjects.
Analysis of dietary patterns measured by various indices and association with muscle mass, strength, performance, or sarcopenia risk.

Main Results:

Higher adherence to healthy dietary patterns was linked to a reduced risk of gait speed reduction (OR = 0.58).
No statistically significant associations were found between healthy dietary patterns and other sarcopenia markers or risk.
The majority of included studies had a serious risk of bias, and publication bias was suggested.

Conclusions:

Healthy dietary patterns show a potential association with maintaining gait speed, an indicator of sarcopenia risk.
The current evidence base is limited by significant risks of bias, impacting the reliability of findings.
Further high-quality research is necessary to establish a definitive link between dietary patterns and sarcopenia risk.