* 1. Healthy vitamin D status ranges from...

* 2. You are able to get all the vitamin D you need through your diet alone.

* 3. When does vitamin D production peak?

* 4. Which of the following is a cofactor of vitamin D?

* 5. What is the best way to achieve optimal vitamin D status? (choose more than one)

* 6. How much time should you spend outside in the sun to make a sufficient amount of vitamin D?

* 7. Vitamin D testing is the best way to determine if you are getting enough vitamin D.

* 8. Vitamin D is good for...

* 9. Who of the following is at most risk of vitamin D deficiency?

* 10. How do you get your daily dose of vitamin D?

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