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Nutritional supplementations and administration considerations for sarcopenia in older adults

Nutritional supplementations and administration considerations for sarcopenia in older adults Sarcopenia is a progressive degenerative disorder affecting ≥40% of older adults over the age of 70 years. It is characterized by involuntary muscle loss leading to functional disability, weakness, and frailty in the elderly. Numerous mechanisms have been suggested as potential contributors to sarcopenia onset, including anorexia of aging, protein imbalances, and oxidative stress. While consensus preventive and management approaches for sarcopenia are not yet clearly defined, it is unquestionable that nutrition plays a critical role. This review focuses on the more widely studied, potent nutrients used to attenuate sarcopenia: protein/amino acids, vitamin D and calcium, antioxidants and omega-3 fatty acids. In efforts to achieve optimum delivery of these nutrients to target tissues in older adults it is important to also consider the issue of compromised digestive system that occurs with aging, which will contribute to suboptimal nutrients absorption and utilization. Therefore, this review aims to summarize key sarcopenia-attenuating nutrients and to distinguish for each identified nutrient whether a dietary or a supplemental form is the most effective therapy for nutrient delivery in sarcopenic older adults. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nutrition and Aging iospress

Nutritional supplementations and administration considerations for sarcopenia in older adults

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Publisher
IOS Press
Copyright
Copyright © 2015 IOS Press and the authors. All rights reserved
ISSN
1879-7717
DOI
10.3233/NUA-150057
Publisher site
See Article on Publisher Site

Abstract

Sarcopenia is a progressive degenerative disorder affecting ≥40% of older adults over the age of 70 years. It is characterized by involuntary muscle loss leading to functional disability, weakness, and frailty in the elderly. Numerous mechanisms have been suggested as potential contributors to sarcopenia onset, including anorexia of aging, protein imbalances, and oxidative stress. While consensus preventive and management approaches for sarcopenia are not yet clearly defined, it is unquestionable that nutrition plays a critical role. This review focuses on the more widely studied, potent nutrients used to attenuate sarcopenia: protein/amino acids, vitamin D and calcium, antioxidants and omega-3 fatty acids. In efforts to achieve optimum delivery of these nutrients to target tissues in older adults it is important to also consider the issue of compromised digestive system that occurs with aging, which will contribute to suboptimal nutrients absorption and utilization. Therefore, this review aims to summarize key sarcopenia-attenuating nutrients and to distinguish for each identified nutrient whether a dietary or a supplemental form is the most effective therapy for nutrient delivery in sarcopenic older adults.

Journal

Nutrition and Agingiospress

Published: Jan 1, 2016

References