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Calcifediol: Why, When, How Much?

Simone Donati1, Francesca Marini2, Francesca Giusti1

  • 1Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50139 Florence, Italy.

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Summary
This summary is machine-generated.

Vitamin D deficiency poses global health risks. This review explores calcifediol (25(OH)D3) benefits, a vitamin D precursor, for rapid non-genomic responses and treating hypovitaminosis D.

Keywords:
25(OH)D3calcifediolhypovitaminosis Dmembrane-associated rapid response to steroidnon-genomic effectsvitamin Dvitamin D deficiencyvitamin D receptor

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Area of Science:

  • Endocrinology
  • Nutritional Science
  • Public Health

Background:

  • Vitamin D deficiency (hypovitaminosis D) is a growing global health issue impacting musculoskeletal and extra-skeletal health.
  • Optimal vitamin D status is crucial for bone, calcium, and phosphate homeostasis.
  • Vitamin D3 (cholecalciferol) is a common supplement, but calcifediol (25(OH)D3), its precursor, is gaining traction.

Purpose of the Study:

  • To review the potential medical benefits of calcifediol's unique biological actions.
  • To identify clinical scenarios where oral calcifediol effectively restores 25(OH)D3 serum levels.
  • To explore calcifediol's rapid non-genomic responses and its use in treating hypovitaminosis D.

Main Methods:

  • Literature review of studies on calcifediol and vitamin D metabolism.
  • Analysis of biological actions and clinical applications of calcifediol.
  • Discussion of non-genomic and genomic effects of vitamin D metabolites.

Main Results:

  • Calcifediol offers potential medical benefits beyond standard vitamin D supplementation.
  • Specific clinical contexts may favor calcifediol for rapid restoration of 25(OH)D3 levels.
  • Calcifediol exhibits rapid non-genomic responses, distinct from cholecalciferol.

Conclusions:

  • Calcifediol represents a promising vitamin D metabolite for supplementation.
  • Its unique properties may offer advantages in treating individuals at high risk of hypovitaminosis D.
  • Further research into calcifediol's non-genomic effects could refine therapeutic strategies.