Thyroid UK
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question for liothyronine users who are gluten intolerant

In the U.S., many pharmacies supply the generic liothyronine made by Perrigo Pharmaceuticals. A company rep I spoke to claims it is gluten-free. (The Perrigo website does not provide an ingredients list.) Is there anyone here who is gluten intolerant, and has used Perrigo-brand liothyronine without ill effects?

2 Replies

Although this information dates from when it was still part of Paddock, it does list ingredients and none is obviously a gluten source.

calcium sulfate, unspecified form (UNII: WAT0DDB505)

cellulose, microcrystalline (UNII: OP1R32D61U)

hypromelloses (UNII: 3NXW29V3WO)

talc (UNII: 7SEV7J4R1U)

silicon dioxide (UNII: ETJ7Z6XBU4)

That list is actually confirmed on Perrigo's website, here:


it is the only one so far that I can use without side effects - I am gluten sensitive and when I try other manufacturers, i have an unpleasant reaction - jitters, chest pain, anxiety, none of this with perrigo


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