Vitamin D deficiency and adverse body composition in adolescents

Abstract Background Vitamin D deficiency is a global public health concern, particularly among adolescents. While its skeletal effects are well-established, evidence on its extraskeletal roles in muscle and adipose tissue during this critical developmental period remains limited, especially using di...

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Main Authors: Bo Wang, Songting Gao, Zhongxin Zhu
Format: Article
Language:English
Published: BMC 2025-07-01
Series:Journal of Orthopaedic Surgery and Research
Subjects:
Online Access:https://doi.org/10.1186/s13018-025-06091-6
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author Bo Wang
Songting Gao
Zhongxin Zhu
author_facet Bo Wang
Songting Gao
Zhongxin Zhu
author_sort Bo Wang
collection DOAJ
description Abstract Background Vitamin D deficiency is a global public health concern, particularly among adolescents. While its skeletal effects are well-established, evidence on its extraskeletal roles in muscle and adipose tissue during this critical developmental period remains limited, especially using direct body composition measures. Methods We analyzed 3,648 participants aged 12–19 years from NHANES data (2011–2018), stratifying vitamin D status as deficiency, insufficiency, or sufficiency. Multivariable linear regression models evaluated associations with appendicular lean mass index (ALMI), visceral adipose tissue area (VATA), and total bone mineral density (BMD). Subgroup analyses explored age, sex, and racial/ethnic variations. Results Vitamin D deficiency/insufficiency affected 40.1% of participants. Higher serum vitamin D status correlated with positive body composition: lower VATA (β = -0.092, 95% CI: -0.124 to -0.061), and higher ALMI (β = 0.005, 95% CI: 0.004 to 0.006) and BMD (β = 0.0008, 95% CI: 0.0006 to 0.0010). Subgroup analyses revealed stronger ALMI associations in older boys and Mexican Americans, while VATA reductions were most pronounced in younger girls. BMD benefits were consistent across subgroups. Conclusions Vitamin D deficiency is prevalent among adolescents and independently associated with unfavorable body composition, modulated by demographic factors. These findings highlight the need for targeted interventions to optimize musculoskeletal and metabolic health during this developmental window.
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spelling doaj-art-c2b1fa4ee48b4b4cb0547c7e5e3e8e0f2025-08-20T04:03:01ZengBMCJournal of Orthopaedic Surgery and Research1749-799X2025-07-0120111010.1186/s13018-025-06091-6Vitamin D deficiency and adverse body composition in adolescentsBo Wang0Songting Gao1Zhongxin Zhu2Department of Osteoporosis Care and Control, the First People’s Hospital of Xiaoshan District, Xiaoshan Affiliated Hospital of Wenzhou Medical UniversityDepartment of General Practice, Community Health Service Center of GualiDepartment of Osteoporosis Care and Control, the First People’s Hospital of Xiaoshan District, Xiaoshan Affiliated Hospital of Wenzhou Medical UniversityAbstract Background Vitamin D deficiency is a global public health concern, particularly among adolescents. While its skeletal effects are well-established, evidence on its extraskeletal roles in muscle and adipose tissue during this critical developmental period remains limited, especially using direct body composition measures. Methods We analyzed 3,648 participants aged 12–19 years from NHANES data (2011–2018), stratifying vitamin D status as deficiency, insufficiency, or sufficiency. Multivariable linear regression models evaluated associations with appendicular lean mass index (ALMI), visceral adipose tissue area (VATA), and total bone mineral density (BMD). Subgroup analyses explored age, sex, and racial/ethnic variations. Results Vitamin D deficiency/insufficiency affected 40.1% of participants. Higher serum vitamin D status correlated with positive body composition: lower VATA (β = -0.092, 95% CI: -0.124 to -0.061), and higher ALMI (β = 0.005, 95% CI: 0.004 to 0.006) and BMD (β = 0.0008, 95% CI: 0.0006 to 0.0010). Subgroup analyses revealed stronger ALMI associations in older boys and Mexican Americans, while VATA reductions were most pronounced in younger girls. BMD benefits were consistent across subgroups. Conclusions Vitamin D deficiency is prevalent among adolescents and independently associated with unfavorable body composition, modulated by demographic factors. These findings highlight the need for targeted interventions to optimize musculoskeletal and metabolic health during this developmental window.https://doi.org/10.1186/s13018-025-06091-6Vitamin DAdolescenceBody compositionLean massVisceral adiposityBone density
spellingShingle Bo Wang
Songting Gao
Zhongxin Zhu
Vitamin D deficiency and adverse body composition in adolescents
Journal of Orthopaedic Surgery and Research
Vitamin D
Adolescence
Body composition
Lean mass
Visceral adiposity
Bone density
title Vitamin D deficiency and adverse body composition in adolescents
title_full Vitamin D deficiency and adverse body composition in adolescents
title_fullStr Vitamin D deficiency and adverse body composition in adolescents
title_full_unstemmed Vitamin D deficiency and adverse body composition in adolescents
title_short Vitamin D deficiency and adverse body composition in adolescents
title_sort vitamin d deficiency and adverse body composition in adolescents
topic Vitamin D
Adolescence
Body composition
Lean mass
Visceral adiposity
Bone density
url https://doi.org/10.1186/s13018-025-06091-6
work_keys_str_mv AT bowang vitaminddeficiencyandadversebodycompositioninadolescents
AT songtinggao vitaminddeficiencyandadversebodycompositioninadolescents
AT zhongxinzhu vitaminddeficiencyandadversebodycompositioninadolescents