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San Jose, CA
A 49-year-old female asked:

Hi i have hashimotos/ hypothyroidism and my vitamin d is very low which is common. will taking vitamin d affect the absorption of my synthroid? in the past i took vitamin d hours after synthroid and it seemed to make my tsh go up. can that occur

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 51 years experience
Unlikely: Vitamin D and synthroid should not interact with each other. Wish you good health!
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Last updated Apr 29, 2020

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