Effects of calcium on thyroxine and liothyronine? - Thyroid UK

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Effects of calcium on thyroxine and liothyronine?

Kandahar profile image
2 Replies

Read somewhere here about problems of taking around same time. Same as with magnesium. Any enlightenment, please?!

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Kandahar
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SeasideSusie profile image
SeasideSusieRemembering

They interfere with the absorption of thyroid hormone

mayoclinic.org/diseases-con...

walgreens.com/topic/faq/que...

jimh111 profile image
jimh111

In the form of antacids calcium can reduce levothyroxine absorption substantially. Milk reduces absorption by about 10% so I wouldn't worry about calcium in foods.

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