A member asked:

How long should you wait after taking synthroid (thyroxine) before you take your vitamins and supplements?

11 doctors weighed in across 2 answers

Thyroid: Typically the recommendation is to wait at least 30 min after your thyroid medication before consuming foods or vitamins. There is some new emerging evidence also that you can take all your weekly thyroid pills in a single dose once weekly. You might want to ask your doctor about this as the studies have shown no difference in long term control and may make it easier for u to take vitamins.

Answered 12/19/2019

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2 hours: Calcium and iron in particular can reduce absorption of synthroid (thyroxine).

Answered 10/4/2016

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