Research

Hormonal

In older adults (aged 50+), lower serum 25-hydroxyvitamin D levels are significantly associated with a higher risk of sarcopenia, independent of obesity and other lifestyle factors.

If you are over 50, ensuring adequate Vitamin D levels may help protect against muscle loss (sarcopenia). This study links higher Vitamin D levels with lower sarcopenia risk, independent of weight. Consult a doctor to check your levels, as deficiency is common and potentially modifiable.

ModerateSupportsMEDIUM confidence
Vitamin D levels were significantly lower in subjects with sarcopenia than in those without, regardless of obesity. We found a strong inverse association between 25(OH)D level and sarcopenia in the older Korean population.
Mee Kyoung Kim et al. · The Journal of Clinical Endocrinology & Metabolism · 2011

Why this rating

Large sample size (n=3169) and representative population, but cross-sectional design limits causal inference.

Source

Vitamin D Deficiency Is Associated with Sarcopenia in Older Koreans, Regardless of Obesity: The Fourth Korea National Health and Nutrition Examination Surveys (KNHANES IV) 2009

Mee Kyoung Kim et al. · The Journal of Clinical Endocrinology & Metabolism · 2011

DOI 10.1210/jc.2011-1602

cross_sectional · n=3169Cited 169×
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DOI resolved against Crossref · corpus check 2026-06-10

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