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Newborns Get Vitamin D Shots for Strong Bones
15 May
Summary
- Newborns require daily vitamin D3 supplements for bone health.
- Breast milk naturally contains very little vitamin D.
- Babies under six months must avoid direct sun exposure.

Newborn infants receive vitamin D3 supplements shortly after birth to promote healthy bone growth and development. This vital nutrient aids in calcium and phosphorus absorption, essential for robust bones and teeth. Without adequate vitamin D, babies risk developing rickets, a condition causing bone softening and deformity. Vitamin D3 also bolsters the immune system and supports neurological development.
While breast milk is paramount for infants, it contains minimal vitamin D. Consequently, supplementation is necessary. Although sunlight is the primary source of vitamin D, direct exposure is discouraged for babies under six months due to their highly sensitive skin. Many newborns are born with low vitamin D levels, often due to insufficient maternal intake during pregnancy.
The recommended daily dosage for infants is 400 IU (10 micrograms) of vitamin D3, beginning soon after birth and continuing until at least 12 months of age. Consistent daily administration is advised, ideally with milk, for optimal absorption. Exceeding the recommended dose can lead to hypercalcemia, a dangerous condition with potential harm to a baby's kidneys and heart.