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September 10, 2025Advanced Biomedical ResearchOpen Access

Normocalcemia and Normal Thyroid Function in a Severe Vitamin D–Deficient Population

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Authors

OYOmid YazdaniMHMohammad Reza HaeriRNReyhaneh Niayesh‐Mehr

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Overview

Observational analysis found no thyroid dysfunction or calcium imbalance in a vitamin D-deficient population, indicating a potential need for updated vitamin D reference ranges.

Key Points

  • Vitamin D deficiency did not result in abnormal thyroid function or serum calcium levels.
  • Among participants, 74.2% were either vitamin D deficient or insufficient, yet calcium levels remained unchanged.
  • T4 levels increased significantly with vitamin D levels, while TSH decreased nonsignificantly, but all values stayed within reference ranges.
  • Findings highlight potential discrepancies in current vitamin D reference intervals that may need revision.

Cite This Study

Yazdani et al. (2025) studied this question.

synapsesocial.com/papers/68c23e4fb210217d64791dcehttps://doi.org/10.4103/abr.abr_7_23
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Assessing the correlation between vitamin D deficiency and hypothyroidism2025
  2. 2Evaluation of Vitamin D3 as a diagnostic marker in hypothyroidism2025
  3. 3The association between vitamin D and hypothyroidism: a systematic review and meta-analysis2026
  4. 4Vitamin D deficiency as a potential risk factor for thyroid cancer: a clinical perspective2025
  5. 5Correlation analysis of thyroid function and vitamin D levels in patients with type 2 diabetes.2025