IMPORTANCE OF VITAMIN D IN CHILDREN

 

🌞 Importance of Vitamin D in Children 

Vitamin D is essential for healthy growth and development in children, especially for strong bones, immune health, and overall well-being.

ðŸĶī 1. Bone Growth and Rickets Prevention

  • Vitamin D helps the body absorb calcium and phosphorus, key minerals for strong bones and teeth.

  • Deficiency can lead to rickets — soft, weak bones that may result in bowed legs, poor growth, or delayed walking.

ðŸ›Ą️ 2. Stronger Immune System

  • Supports the immune system by boosting innate immunity and regulating inflammation.

  • May help reduce the risk of respiratory infections in children.

📏 3. Supports Growth and Muscle Strength

  • Plays a vital role in height gain and maintaining muscle strength.

  • Deficiency may cause muscle cramps, bone pain, and fatigue.

🧠 4. Brain Function and Mood Regulation

  • May influence brain development and mood.

  • Studies suggest a link between low vitamin D and behavioral changes or even depression in children.

📚 Reference:

  • Patrick RP, Ames BN. FASEB J. 2014;28(6):2398–2413.

🕰️ 5. Ideal Time for Sun Exposure

Vitamin D is synthesized in the skin when exposed to UVB rays from sunlight.

✅ Best Time:

  • 10:00 AM to 3:00 PM – UVB rays are most effective.

⏱️ Recommended Duration:

  • Fair skin: 10–15 minutes, 3–4 times/week.

  • Darker skin: 30–45 minutes may be needed.

☁️ For hill stations or cloudy areas (like Ooty):

  • Sunlight may not be enough — supplements or fortified foods are often necessary.

📚 Reference:

  • Holick MF. Am J Clin Nutr. 2004;80(6):1678S–1688S.

  • WHO: “Sun Protection and Vitamin D: A Balanced Approach.”

ðŸ―️ 6. Sources of Vitamin D

  • Sunlight (main natural source)

  • Foods: Fortified milk, cereals, egg yolks, fatty fish

  • Supplements: Drops for infants, chewables for older kids (as per pediatrician advice)

📊 Recommended Daily Intake:

Age GroupVitamin D Requirement
0–12 months400 IU/day
1–18 years600 IU/day




                                                                                                                     - DR .VIGNESH N 
                                                                                                                       PAEDIATRICIAN 
                                                                                                                       THE NILGIRIS

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