Sources: 
https://ro.co/health-guide/vitamin-d-foods/#:~:text=Fatty%20fish%20is%20a%20great,563%20IU%20of%20vitamin%20D.
 
https://www.healthline.com/nutrition/vitamin-d-deficiency-symptoms#testing

Sources: https://ro.co/health-guide/vitamin-d-foods/#:~:text=Fatty%20fish%20is%20a%20great,563%20IU%20of%20vitamin%20D. https://www.healthline.com/nutrition/vitamin-d-deficiency-symptoms#testing

Sources:&nbsp;
https://ro.co/health-guide/vitamin-d-foods/#:~:text=Fatty%20fish%20is%20a%20great,563%20IU%20of%20vitamin%20D.
 
https://www.healthline.com/nutrition/vitamin-d-deficiency-symptoms#testing

Are you deficient in vitamin D? How to tell if you are deficient in Vitamin D and what to do about it.

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Are you deficient in vitamin D? How to tell if you are deficient in Vitamin D and what to do about it.

Are you deficient in vitamin D? How to tell if you are deficient in Vitamin D and what to do about it.