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Vitamin D Deficiency in Kids

Contributors: Sarah Klemm, RDN, CD, LDN

Reviewers: Academy Nutrition Information Services Team

Published: June 24, 2021

Reviewed: July 19, 2023

Vitamin D Deficiency in Kids

Made in the body from exposure to sunlight, vitamin D plays an important role in bone health — along with calcium. Vitamin D promotes the absorption of calcium and phosphorus and helps deposit these minerals in bones and teeth, making them stronger and healthier.

The fortification of cow’s milk with vitamin D has greatly reduced the risk of vitamin D deficiency in children. However, the rising consumption of juice and soft drinks in place of milk along with less play time outside is increasing the risk of deficiency among kids, which can lead to rickets or defective bone growth.

Children older than 1 need 600 IU of vitamin D every day. Make sure your child is getting enough vitamin D by including fortified milk with meals. For example, one cup of fortified 1% milk contains around 100 IU. Fish, such as salmon, mackerel and tuna, as well as egg yolks and fortified breakfast cereals also contain vitamin D.

Talk with your child’s health care provider to determine if your child is meeting their vitamin D needs or if they may need a supplement. For guidance regarding serving fish to young children, visit the U.S. Food and Drug Administration’s website.

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