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Cited by 22Bone health and osteoporosis researchNutrition and Health in AgingMuscle metabolism and nutrition

Optimizing Bone Health in Older Adults: The Importance of Dietary Protein

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Surdykowski, Anna K, Kenny, Anne M, Insogna, Karl L, Kerstetter, Jane E·2010·Aging Health
DOI 10.2217/ahe.10.16PMC PMC2907525
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Abstract

Age-related bone loss is progressive and can lead to osteoporosis. While it is accepted that both dietary calcium and vitamin D are important and beneficial for skeletal health, the impact of dietary protein on calcium metabolism and bone balance remains controversial. Contrary to the hypothesis that increasing dietary protein contributes to bone loss, research supports the notion that protein may play a pivotal role in maintenance of bone health by several mechanisms; for example, increasing dietary protein increases IGF-1, calcium absorption, muscle strength and mass, all of which could potentially benefit the skeleton. A moderate increase in dietary protein recommendations for the aging population (above the recommended dietary allowance of 0.8 g/kg) may be beneficial to bone health, while still falling within the safe and acceptable range for protein intake (as defined by the dietary reference intakes).

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  • Reviews of research studies reveal little or no evidence that high-protein diets cause kidney damage in healthy individuals, including older persons.

    “However, reviews of research studies reveal little or no evidence that high-protein diets cause kidney damage in healthy individuals, including those who are older.6,54,55”

    From Evidence-Based Recommendations for Optimal Dietary Protein Intake in Older People: A Position Paper From the PROT-AGE Study Group (2013) · cites this paper as [54]

    The “Potential safety concerns of a high-protein diet” section says that increased filtration in people with normal kidney function has not been linked to declining renal function. For older adults, however, it says only that a moderate increase to 1–1.5 g/kg appears safe and calls for more research on higher protein intakes; it does not establish the broader claim about high-protein diets in older people. (LLM, conf=0.85)

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Cited by

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Authors
Surdykowski, A. K., Kenny, A. M., Insogna, K. L., & Kerstetter, J. E.
Affiliations
  • University of Connecticut (US)
  • University of Connecticut Health Center, CT, USA
  • Yale University (US)
ORCID
Insogna, Karl L
Venue
Aging Health
Publisher
Informa UK Limited
Published
2010-06
Volume
6
Issue
3
Pages
345-357
ISSN
  • 1745-509X (ISSN-L)
  • 1745-5103
DOI
10.2217/ahe.10.16
PMC
PMC2907525
OpenAlex
W2008532344
Cited by
22
References
4
Citations by year
2024: 1 · 2023: 2 · 2020: 2 · 2019: 3 · 2018: 3 · 2017: 2 · 2016: 2 · 2014: 2 · 2013: 3
FWCI
1.60
Type
journal article
Language
en
Open access
Locations
  • Aging Health (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (5RO1AR053701-04)
Topics
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone health and osteoporosis research
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
Keywords
dietary protein, bone health, older adults, age-related bone loss, osteoporosis, calcium metabolism, insulin-like growth factor I, calcium absorption, muscle strength, protein intake recommendations, Dietary Reference Intakes

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