My daughter's vitamin D levels are low?

She went to the doctor to have blood drawn last week. Everything came back normal except her Vitamin D level. She is 11 and does not like mild, the Vitamin D supplements are very big and hard for her to swallow? Any food suggestions or suggestions at all to get her level up? Thanks in advance. Any sarcastic... show more She went to the doctor to have blood drawn last week. Everything came back normal except her Vitamin D level. She is 11 and does not like mild, the Vitamin D supplements are very big and hard for her to swallow? Any food suggestions or suggestions at all to get her level up? Thanks in advance.

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Update: THX! We reside in MN and it has been, on average 2 to -17 each day for the past week. I will make sure she gets enough sun light in better weather.
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