Vitamin D is one of many nutrients our bodies need to stay healthy. Vitamin D may also play a role in muscle function and the immune system. The immune system is your body's defense system. It helps protect it against infections and other illnesses. Taking vitamin D every day has been shown to reduce the risk of falling in older individuals. Vitamin D is also essential in bone growth. Its main role in the body is to increase the flow of calcium into the bloodstream. It does this by promoting absorption of calcium from food. Without vitamin D, calcium would not be absorbed into the body. Therefore, vitamin D is equally important to the maintenance of bone health as is calcium.
Vitamin D Sources
Vitamin D is naturally produced in the human body when exposed to sunlight. Limited sun exposure has been a leading cause of vitamin D deficiency. Whole eggs and fortified cereals are also good sources of vitamin D. Fish salmon, catfish, and tuna, have high levels of vitamin D.
Bones require vitamin D that is manufactured in the skin from sunlight and food. Some foods like fortified cereals and milk and some fish contain vitamin D. child may not getting enough vitamin D if
• He/she has dark skin.
• Spends too little time in the sunlight or uses sunscreen when outdoors.
• Does not eat food containing vitamin D.
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