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Purpose of Review <p>Aging is marked by progressive physiological decline driven by chronic inflammation, mitochondrial dysfunction, and impaired metabolic and musculoskeletal resilience. As the global population ages, dietary supplements have gained attention as potential tools to support healthy longevity. This review summarizes current evidence on nutritional compounds that target aging-related pathways, focusing on interventions that influence mitochondrial health, cognitive performance, immune function, metabolic regulation, and maintenance of muscle mass in older adults. Thirty-two human studies were identified through PubMed, Scopus, and Web of Science.</p> Recent Findings <p>Evidence indicates that several targeted nutrients, including protein, probiotics, antioxidants, and emerging mitochondrial-support compounds, may contribute to healthy aging. Protein and collagen supplementation, particularly when paired with resistance training, consistently improve muscle mass and physical function. Antioxidants, glycine, N-acetylcysteine, and NAD⁺ precursors show potential benefits for mitochondrial efficiency, cellular stress responses, and cognitive performance; however, findings vary across populations and dosing strategies. Heterogeneity in study designs, supplement formulations, and biomarker endpoints underscores the need for individualized and context-specific application.</p> Summary <p> A personalized, evidence-informed supplementation strategy integrated with exercise and balanced nutrition may help optimize physiological function in aging adults. Future research should refine dosing protocols, evaluate synergistic nutrient combinations, and clarify the roles of antioxidants and mitochondrial-targeted compounds across diverse older populations.</p>

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Targeted Supplementation and Nutritional Strategies for Healthy Aging: A Review of Physiological and Molecular Benefits

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年6月3日

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  • Jennifer A. Kurtz,
  • K. Michelle Singleton,
  • Ecaterina Vasenina,
  • Ralf Jäger,
  • Drew Gonzalez,
  • Antonella Schwarz,
  • Jonathan Howard,
  • Jose Antonio

摘要

Purpose of Review

Aging is marked by progressive physiological decline driven by chronic inflammation, mitochondrial dysfunction, and impaired metabolic and musculoskeletal resilience. As the global population ages, dietary supplements have gained attention as potential tools to support healthy longevity. This review summarizes current evidence on nutritional compounds that target aging-related pathways, focusing on interventions that influence mitochondrial health, cognitive performance, immune function, metabolic regulation, and maintenance of muscle mass in older adults. Thirty-two human studies were identified through PubMed, Scopus, and Web of Science.

Recent Findings

Evidence indicates that several targeted nutrients, including protein, probiotics, antioxidants, and emerging mitochondrial-support compounds, may contribute to healthy aging. Protein and collagen supplementation, particularly when paired with resistance training, consistently improve muscle mass and physical function. Antioxidants, glycine, N-acetylcysteine, and NAD⁺ precursors show potential benefits for mitochondrial efficiency, cellular stress responses, and cognitive performance; however, findings vary across populations and dosing strategies. Heterogeneity in study designs, supplement formulations, and biomarker endpoints underscores the need for individualized and context-specific application.

Summary

A personalized, evidence-informed supplementation strategy integrated with exercise and balanced nutrition may help optimize physiological function in aging adults. Future research should refine dosing protocols, evaluate synergistic nutrient combinations, and clarify the roles of antioxidants and mitochondrial-targeted compounds across diverse older populations.