Vitamin D & vitamin D deficiency

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Medically reviewed

Vitamin D plays many important roles for our health, and is known as the ‘sunshine vitamin’. It helps us absorb calcium to keep our bones strong, supports our immune system to fight off viruses and bacteria, and impacts our mental health.

What is vitamin D?

How do we get vitamin D?

Sources of vitamin D

Symptoms of vitamin D deficiency

Vitamin D deficiency in children

Causes of vitamin D deficiency

High-risk groups

Treatment for vitamin D deficiency

What can I do to prevent vitamin D deficiency?

Can I have too much vitamin D?

When to speak to a doctor

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