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Vitamin D Deficiency

A person sitting tired indoors near a window with minimal sunlight

Vitamin D deficiency occurs when the body doesn't get enough vitamin D from sunlight, food, or supplements. This vital nutrient helps regulate calcium, supports bone health, boosts immune function, and contributes to energy levels. Deficiency is especially common in older adults, people with limited sun exposure, or those with darker skin tones.

  • Fatigue or tiredness
  • Bone or muscle pain
  • Frequent illnesses or infections
  • Depression or mood changes
  • Hair loss
  • Slow wound healing
  • Vitamin D supplementation: OTC or prescription-strength doses
  • Dietary changes: Foods rich in vitamin D like fatty fish, eggs, or fortified milk
  • Increased sunlight exposure: With appropriate sun safety measures
  • Addressing underlying causes: Treating absorption or metabolic issues
  • Inadequate sun exposure
  • Poor dietary intake
  • Kidney or liver disorders
  • Malabsorption (e.g., celiac disease, bariatric surgery)
  • Use of certain medications (e.g., anticonvulsants)

Healthcare Providers

Symptoms

  • Fatigue or tiredness
  • Bone or muscle pain
  • Frequent illnesses or infections
  • Depression or mood changes
  • Hair loss
  • Slow wound healing

Causes

  • Inadequate sun exposure
  • Poor dietary intake
  • Kidney or liver disorders
  • Malabsorption (e.g., celiac disease, bariatric surgery)
  • Use of certain medications (e.g., anticonvulsants)

Treatments

  • Vitamin D supplementation: OTC or prescription-strength doses
  • Dietary changes: Foods rich in vitamin D like fatty fish, eggs, or fortified milk
  • Increased sunlight exposure: With appropriate sun safety measures
  • Addressing underlying causes: Treating absorption or metabolic issues

Specialties That Treat This Condition

Related Conditions

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