Vitamin deficiency occurs when the body lacks essential vitamins necessary for various bodily functions, which can lead to health issues and diseases.
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Nutrition | Vitamins And Minerals | Health Deficiencies | Nutrient Deficiency | Health Problems From Lack Of Vitamins
Prepared by Lee Cheng, reviewed by Jane Cox

Vitamin Deficiency FAQ

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What is a vitamin deficiency?

Vitamin deficiency is the condition of a long-term lack of a vitamin. When caused by not enough vitamin intake it is classified as a primary deficiency, whereas when due to an underlying disorder such as malabsorption it is called a secondary deficiency. An underlying disorder can have 2 main causes:

What are the symptoms of vitamin deficiency?

The specific symptoms depend on which vitamin (s) are at low levels, as each one plays a different role in your body. For example, a vitamin D deficiency can lead to weak bones and fractures, while a folate deficiency can lead to anemia, which causes fatigue and weakness.

What is vitamin deficiency anemia?

Vitamin deficiency anemia is a lack of healthy red blood cells caused by lower than usual amounts of vitamin B-12 and folate. This can happen if you don't eat enough foods containing vitamin B-12 and folate, or if your body has trouble absorbing or processing these vitamins.

What causes a vitamin deficiency?

You can develop a deficiency due to low vitamin intake or certain medical conditions. They're usually treated with vitamin supplements in either oral (by mouth) or injected forms. This article covers the symptoms and complications common to vitamin deficiencies, the causes and risk factors, and how vitamin deficiencies are diagnosed and treated.

What if you have a vitamin A deficiency?

These include: A vitamin A deficiency is particularly dangerous when it comes to infection risk. It can predispose you to: Essential vitamins that keep your bones strong and healthy include vitamins A, B6, B9, B12, C, D, and K.

Vitamin Deficiency References

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