Cutaneous Signs of Nutritional Deficiencies
Open accessAbstract
Purpose of Review: This review article highlights cutaneous findings of nutritional deficiencies with a particular focus on conditions that impact the elderly population, who are at higher risk of developing these deficiencies. Recent Findings: An increasing number of studies demonstrate the importance of adequate nutrition intake in regulating aging processes and the progression of key age-related illnesses. Summary: Early recognition of dermatological manifestations associated with nutritional disorders can prompt appropriate supplementation and help prevent sequelae of cutaneous and systemic complications.
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Protein deficiency may manifest through peripheral edema, loss of muscle mass, thinning and fragility of hair, brittle nails, and delayed wound healing.
“Protein Deficiency: Protein deficiency may manifest through peripheral edema, loss of muscle mass, thinning and fragility of hair, brittle nails, and delayed wound healing [31].”
From The Seven Methods for the Evaluation of Nutritional Status—ABCDEFG: Narrative Review (2026) · cites this paper as [31]
The Protein Deficiency section links low protein to muscle wasting, kwashiorkor to edema, and marasmus to thin hair and fissured nails. It does not describe hair fragility or brittle nails as protein-deficiency signs. The Introduction associates slowed wound healing with malnutrition generally, not protein deficiency specifically. (LLM, conf=0.86)
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“Traditional dietary guidelines of protein intake of 0.8 g/ kg/day for all adults, regardless of age or sex, are inadequate in the elderly population [19].”
InfluentialVitamin C-Sources, Physiological Role, Kinetics, Deficiency, Use, Toxicity, and Determination
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“Dietary intake is the only source of vitamin C. Common dietary sources include fresh fruits and vegetables such as spinach, broccoli, and red peppers [73].”
Carazo, A., Macáková, K., Matoušová, K., Krčmová, L. K., Protti, M., & Mladěnka, P. (2021) · Nutrients · doi:10.3390/nu13051703 · Cited by 418 · cited 4× · see citing works
“A balanced diet often provides sufficient levels of vitamin A for physiological needs, but if not available, vitamin supplementation is necessary [25].”
InfluentialThiamine deficiency disorders: Diagnosis, prevalence, and a roadmap for global control programs
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Cited by
Sorted by citations
The Seven Methods for the Evaluation of Nutritional Status—ABCDEFG: Narrative Review
Zambrano-Villacres, R., Arteaga-Pazmiño, C., Guevara Castillo, W. D., Herrera-Fontana, M. E., Domínguez Brito, L. D., Becerra Granados, L. M., Recoba-Obregón, P. E., Rodríguez-Veintimilla, D., Bressi, V., Andrade-Molina, D., et al. (2026) · Applied Sciences · doi:10.3390/app16020845 · Cited by 5 · see citing works
- Authors
- Park, S. E., Williams, M., Crew, A. B., & Hsiao, J. L.
- Affiliations
- University of California, Los Angeles (US)
- Washington State University (US)
- University of Southern California (US)
- Corresponding author
- Hsiao, Jennifer L.
- Venue
- Current Geriatrics Reports
- Published
- 2024-08-31
- Volume
- 13
- Issue
- 4
- Pages
- 189-199
- ISSN
- 2196-7865 (ISSN-L)
- OpenAlex
- W4402081136
- Cited by
- 5
- References
- 5
- Citations by year
- 2026: 3 · 2025: 2
- FWCI
- 1.43
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Locations
- Current Geriatrics Reports (publishedVersion, cc-by)
- Funders
- University of Southern California
- Topics
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutrition and Health Studies
- Health Sciences › Medicine › Dermatology › Skin Protection and Aging
- Keywords
- nutritional deficiency, cutaneous manifestations, older adults, aging, age-related diseases, dietary supplementation
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