I am due for an annual thyroid test as my medication needs reviewing. I take vitamin D, omega 3 (fish oil), magnesium glycinate and vitamin B complex supplements. I know that I should stop taking the vitamin B tablets as they contain biotin but what about the other supplements? Should I stop taking them all? Please advise me on this issue.
Stopping vitamin supplements before a thyroid test - Thyroid UK
Stopping vitamin supplements before a thyroid test
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Happywalker
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SeasideSusieRemembering
Happywalker
The only ones that need to be left off for 7 days is Biotin (as in a B Complex) and iron if having ferritin/iron tested. Other than that, just don't take the others until after the blood draw.
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