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Children with vitamin D deficiency and supplementation

Children who do not get enough vitamin D will affect bone growth, because bone and cartilage are not fully calcified, cartilage grows abnormally, causing bone deformation. However, vitamin D deficiency can be prevented if known.


Vitamin D plays an important role in bone development. It participates in the absorption of calcium, phosphore in the intestine, regulates the synthesis and secretion of parathyroid hormone (PTH), increases the absorption of Calcium, Phosphore into bones and prevents the process of bone destruction. In addition, Vitamin D also plays an important role in the immune system, preventing many types of cancer and other diseases.

Vitamin D deficiency in children often does not cause conditions such as cancer or clear pathology. However, you may still suspect vitamin D deficiency if there are some abnormal manifestations on bones, teeth, sweat, immunity … Some children are at higher risk of vitamin D deficiency than others, you also need to grasp to be more concerned.

Manifestations of Vitamin D deficiency children

Babies with hair loss due to Vitamin D deficiency (Artwork)

Babies who are deficient in Vitamin D may exhibit excessive sweating, twitching, sleeplessness, and ring-shaped hair loss.

Babies with longer breathing patterns are harder than normal babies.

Babies are more likely to get cramps, seizures, and shortness of breath. These problems are also associated with calcium deficiency.

Children tend to have soft skulls and leg bones, which can be seen more curved than usual. Children may also have severe pain often in the legs and muscles due to weakness. If your child falls into this condition often, he or she may have rickets.

Children with Vitamin D deficiency will experience poor growth, reduced weight and slow growth.

Children teething late.

Children tend to become irritable.

Children deficient in Vitamin D are susceptible to various infections such as respiratory.

The breathing ability of children lacking Vitamin D is also affected when the rib cage becomes soft.

When rickets become serious, it causes calcium deficiency in the blood. Children need to go to the hospital as soon as possible.

Finally, although very rare, vitamin D deficiency causes a weakening of the heart muscles, affecting the ability to pump blood throughout the body, children may be pale, weak breathing, poor movement compared to friends.

Young subjects are at high risk of Vitamin D deficiency

Premature babies are at higher risk of vitamin D deficiency than term infants.
  • Children have dark skin. The dark color of the skin (melanin) acts as a natural sunscreen and increases the time it takes in the sun to make vitamin D naturally.
  • Children whose skin is rarely exposed to the sun, for example, those who stay indoors or wear tight clothing.
  • Premature babies.
  • Breastfed babies have one or more of the above risk factors. Breast milk is the best food for babies, but it does not contain much vitamin D. Babies will store the original vitamin D from their mother at birth; therefore, they are at risk of vitamin D deficiency if their mothers have low levels of vitamin D and / or if their mothers have dark skin.
  • Children with certain medical conditions, taking certain medications that affect the way the body absorbs and controls vitamin D such as liver disease, kidney disease, food absorption problems (for example, cystic fibrosis, celiac disease, inflammatory bowel disease) and some medicines (like some epilepsy drugs).

The best way to supplement Vitamin D for children

Sunbathing and exercise regularly is the best way to supplement vitamin D for children. (Illustration)

The first, simplest and cheapest way is for young skin to be exposed to direct sunlight. 80% of the Vitamin D needed for young bodies is produced on the skin, in the sun. The best time for children to be exposed to the sun is early morning sunlight. So, you should let children exercise regularly outdoors, note, do not use sunscreen during the time they want to get more vitamin D.

Preparations containing low-dose Vitamin D (taken daily) or high doses (taken monthly or less frequently), preparations on the market often have a Vitamin D content per dose of 400 IU, equivalent to The recommended daily intake of Vitamin D for children (100% of the RDI) is recommended. However, if your child has frequent sun exposure and lives in the tropics, you should consult your doctor when using it because too much vitamin D over a long period of time can cause problems. Children’s health.

Children with low vitamin D also need enough calcium in their diet. The goal is to give them 2-3 servings of milk each day (one serving of milk equals a glass of milk, a tub of yogurt or a slice of cheese).


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