Impact of Vitamin D on Glycemic Control in Patients with Type 2 Diabetes

Authors

  • Sarah Giovanna Rodrigues Gonçalves Universidade de Rio Verde - Campus Goianésia https://orcid.org/0000-0001-9182-2859
  • Samara Gabryela Rodrigues Gonçalves Universidade de Rio Verde - Campus Goianésia https://orcid.org/0000-0002-1482-310X
  • Gedson Carlos Rodrigues Faculdade de Educação Montenegro – FAEM
  • Sophia Junqueira Araújo Universidade de Rio Verde - Câmpus Aparecida
  • Luma Gomes Madeira Centro Universitário do Norte (UniNorte)
  • Bruna Tainara dos Santos Universidade de Rio Verde - Campus Goianésia https://orcid.org/0009-0008-5309-8036
  • Vitória Sales Ambrósio Universidade de Rio Verde - Campus Goianésia
  • Victorya Kathleen França Silva Universidade de Rio Verde - Campus Goianésia

DOI:

https://doi.org/10.36557/2674-8169.2025v7n5p1031-1043

Keywords:

Vitamina D, Diabetes tipo 2, Controle glicêmico

Abstract

Introduction: Type 2 Diabetes Mellitus (T2D) is a metabolic condition characterized by chronic hyperglycemia, responsible for serious complications, such as retinopathy, nephropathy, and cardiovascular diseases. In addition, factors such as obesity and sedentary lifestyle are strongly associated with T2D. In this context, vitamin D, traditionally related to bone health, has been investigated due to its potential role in modulating glycemic metabolism, especially in patients with T2D. Therefore, it is essential to explore the impact of vitamin D supplementation on glycemic control. Objective: To analyze the scientific evidence on the relationship between vitamin D and glycemic control in patients with T2D, addressing the mechanisms involved and evaluating the potential benefit of supplementation. Methodology: This is an integrative review, with searches in the PubMed and Scielo databases, with articles published between 2020 and 2024. Thus, the terms "vitamin D", "type 2 diabetes" and "glycemic control" were used. After applying inclusion criteria, such as peer-reviewed and full-text articles, and exclusion criteria, such as animal studies and literature reviews, 16 articles were selected for analysis. These articles were evaluated for methodology, study population, and main outcomes, such as HbA1c and HOMA-IR. Results and Discussion: The analyzed studies indicated that vitamin D supplementation can significantly reduce fasting blood glucose levels, HbA1c, and HOMA-IR, especially in patients with vitamin D deficiency. In addition, greater benefit was observed in high-dose and short-term supplementation. However, some studies did not show significant benefits, highlighting the need for further investigations that consider factors such as dosage and duration. Conclusion: In summary, vitamin D supplementation has potential as a complementary strategy in the management of T2D, especially in patients with hypovitaminosis D. However, further studies are needed to define ideal protocols that maximize the benefits in glycemic control.

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References

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Published

2025-05-17

How to Cite

Gonçalves, S. G. R., Gonçalves, S. G. R., Rodrigues, G. C., Araújo, S. J., Madeira, L. G., dos Santos, B. T., Ambrósio, V. S., & Silva, V. K. F. (2025). Impact of Vitamin D on Glycemic Control in Patients with Type 2 Diabetes. Brazilian Journal of Implantology and Health Sciences, 7(5), 1031–1043. https://doi.org/10.36557/2674-8169.2025v7n5p1031-1043