Dietary protein intake is associated with lean body mass in community-dwelling older adults

Geirsdóttir, Ólöf Guðný; Arnarson, A.; Ramel, Alfons; Jónsson, Pálmi V.; Þórsdóttir, Inga

doi:10.1016/j.nutres.2013.05.014

Cited by 47 publications

(40 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The authors concluded (54) that a greater leucine intake in conjunction with adequate total protein intake was associated with long-term LBM retention in a healthy older Danish population. These observations (53, 54) are similar to those reported in other studies (55, 56); primarily, higher protein intakes result in a greater net retention of LBM in older persons.…”

Section: Agingsupporting

confidence: 89%

Current Concepts and Unresolved Questions in Dietary Protein Requirements and Supplements in Adults

Phillips

2017

Front. Nutr.

100

View full text Add to dashboard Cite

Protein needs for otherwise healthy individuals older than 19 years are defined by the recommended dietary allowance (RDA) at 0.80 g protein/kg/day. There is no recommendation in the current RDA for subpopulations of older adults or people in various pathological situations. Despite the lack of a separate recommendation, there exists a growing body of evidence that is strongly suggestive of an increased need and/or benefit for protein in older persons. That is, intakes beyond the RDA are, in older persons, associated with benefits. In addition, a number of catabolic states including critical illness also result in a sharp elevation in the needs for protein and amino acids. An underappreciated issue in protein nutrition is the impact of protein quality on clinically relevant outcomes. The introduction of a new protein scoring system—the digestible indispensable amino acid score (DIAAS)—for protein quality has raised a forgotten awareness of protein quality. The DIAAS, which replaces the protein digestibility-corrected amino acid score (PDCAAS), is based on ileal digestibility of protein and a different test protein than PDCAAS and has values greater than 1.0. The aim of this article is a brief review and summary recommendations for protein nutrition and protein requirements in populations who would benefit from more protein than the RDA. The emphasis of the review is on muscle protein turnover, and there is a discussion of the impact of protein quality, particularly as it applies to commercially available protein sources. The evidence for more optimal protein intakes is considered in light of the potential health risks of consumption of protein at levels greater than the RDA.

show abstract

Section: Agingsupporting

confidence: 89%

Current Concepts and Unresolved Questions in Dietary Protein Requirements and Supplements in Adults

Phillips

2017

Front. Nutr.

100

View full text Add to dashboard Cite

show abstract

“…They suggested that high-intensity exercise could change body composition [39]. Previous studies showed an association between lean body mass and protein intake [40,41]. Collectively, our findings suggest that low-intensity exercise training may not affect lipid and lipoprotein levels or nutritional status but showed other clinically relevant effects as a consequence of exercise training in previously sedentary subjects, i.e.…”

Section: Discussionsupporting

confidence: 54%

Effect of Low-Intensity Exercise on Oxidative Stress, Inflammatory and Nutritional Responsiveness in Sedentary People

Burtscher¹

2017

JNHFS

View full text Add to dashboard Cite

“…Further evidence supporting recommendations for higher protein intakes in older adults comes from studies showing that in older adults higher protein intakes are protective against mass (45) and lean mass loss (43) and are positively associated with lean mass (46,47). Furthermore, the addition of 15 g of protein at breakfast and lunch, which increased the protein content of these meals to at least 25 g [the minimum recommended amount of protein per meal for older adults (40)], increased strength and physical performance in frail elderly persons (48).…”

Section: Proteinmentioning

confidence: 99%

Nutritional Supplements in Support of Resistance Exercise to Counter Age-Related Sarcopenia

Phillips

2015

Advances in Nutrition

120

View full text Add to dashboard Cite

Age-related sarcopenia, composed of myopenia (a decline in muscle mass) and dynapenia (a decline in muscle strength), can compromise physical function, increase risk of disability, and lower quality of life in older adults. There are no available pharmaceutical treatments for this condition, but evidence shows resistance training (RT) is a viable and relatively low-cost treatment with an exceptionally positive side effect profile. Further evidence suggests that RT-induced increases in muscle mass, strength, and function can be enhanced by certain foods, nutrients, or nutritional supplements. This brief review focuses on adjunctive nutritional strategies, which have a reasonable evidence base, to enhance RT-induced gains in outcomes relevant to sarcopenia and to reducing risk of functional declines.

show abstract

Dietary protein intake is associated with lean body mass in community-dwelling older adults

Cited by 47 publications

References 26 publications

Current Concepts and Unresolved Questions in Dietary Protein Requirements and Supplements in Adults

Current Concepts and Unresolved Questions in Dietary Protein Requirements and Supplements in Adults

Effect of Low-Intensity Exercise on Oxidative Stress, Inflammatory and Nutritional Responsiveness in Sedentary People

Nutritional Supplements in Support of Resistance Exercise to Counter Age-Related Sarcopenia

Contact Info

Product

Resources

About