BY: drnaveen


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What is vitamin D and what is its role?

Vitamin D is one of important nutrient our body to keep us healthy.

  • Absorbs calcium and keeps bones strong and healthy.
  • Vitamin D blocks Parathyroid hormone which reabsorbs bone tissue, making the bones thin and brittle.
  • Plays a role in muscle function and immune system.
  • Cancer (colon, breast, prostrate) protective.
  • Vital role in Diabetics and cardiac patients

Vitamin D Deficiency

Sources of vitamin D

  • Sun exposure
  • Food sources: Fish, Milk, Yogurt, Egg, Cheese

Daily Recommended Vitamin D Intake

  • Recommended dietary allowance (RDA) – 600 IU up to 70 years of age and 800 IU above age 70 years

Causes of vitamin D deficiency

  •  Lack of sun exposure
  •  Dietary deficiency
  •  Medications: steroids, laxatives, anti-epileptics, anti-lipid lowering drugs
  •  Medical conditions: Malabsorption ,Kidney & liver diseases, Cystic  fibrosis, Crohn’s disease, disease, Gastric     bypass surgery, Obesity.

Symptoms of vitamin D deficiency

Vitamin D deficiency leads to Osteomalacia in adults and Rickets in children.

  • Brittle bones
  • Bone pain
  • Muscle pain
  • Weakness
  • Fatigue

Symptoms of overdose

  •  Nausea & vomiting
  • Constipation
  • Weakness
  • Kidney damage


Tags: Vitamin D Deficiency, Bone Health, Osteomalacia

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