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Micronutrition · Textbook of Nutrient Therapy

Vitamin D Deficiency

Assess whether you present clinical signs of vitamin D deficiency.

Vitamin D is actually a steroid hormone synthesized by the skin under the effect of UVB rays. It is essential for calcium absorption, bone strength and proper immune system function. In France, insufficient sunlight from October to April makes deficiency extremely common: it is estimated that 80% of the French population has a vitamin D deficit, with consequences for immunity, mood and bone health.

Points forts

  • + Rapid identification of clinical signs
  • + Simple self-assessment test
  • + Deficiency very common in France, screening particularly relevant

Limites

  • - Does not replace blood testing
  • - Some signs may have other causes
  • - Limited sensitivity for subclinical deficiencies
Sémiologie : Vitamin D Deficiency

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