Vitamin D
Answers to common questions about vitamin d.
Questions on this page
Why is vitamin D important?
Vitamin D helps the body absorb calcium and is important for healthy bones and muscles.
What is vitamin D deficiency?
It means the body's vitamin D level is lower than the desired range.
What are the symptoms of vitamin D deficiency?
Some people have no symptoms.
Others may develop:
- Bone pain
- Muscle weakness
- Muscle aches
- Increased fracture risk
How do I get vitamin D?
The body can produce vitamin D after exposure to sunlight.
Vitamin D is also obtained from certain foods and supplements.
Does everyone need vitamin D supplements?
No.
Supplementation should depend on dietary intake, risk factors, blood levels and clinical circumstances.
Can too much vitamin D be harmful?
Yes.
Excessive vitamin D supplementation can cause very high calcium levels and other complications.
More vitamin D is not always better.
How often should vitamin D be checked?
Routine repeated testing is not necessary for everyone.
Testing is more useful when deficiency is suspected, treatment is being monitored, or specific risk factors are present.