Diet?: I now realise that many if not all, who... - Thyroid UK

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Diet?

Calceolaria profile image
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I now realise that many if not all, who have hypothyroidism, also have gut problems. When I first started trying to inform myself about all this, I got into a stalemate regarding diet - I’d always loved broccoli, cabbage, swede mash, kimchi etc, not to excess but whenever I felt like having them. But that they might be problematic for hypo people. Then I read in several sources that these foods must be very well cooked and were only ok in moderation. Fine - I can live with mushy broccoli !

I do most definitely have gut problems and have done for years , starting decades ago with probable ibs which seemed to resolve and now I have had a couple of diverticulitis flares and a confirmed diagnosis of diverticulosis, severe in the sigmoid colon.

Fermented food - is it a good thing for us or not? I read so much contradictory stuff!

I’m trying not to be on an overly restricted diet, though my recent autoimmune antibody tests showed a really dramatic reduction while I was following a gluten-free diet for a few months. I didn’t feel any better for it and dropped after I did my test - but was it this that caused the reduction? I mean, it was 4,000 + in November last year and 29 this February.

Sorry about the length this post. It’s a long journey!

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Calceolaria profile image
Calceolaria
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greygoose profile image
greygoose

I’d always loved broccoli, cabbage, swede mash, kimchi etc, not to excess but whenever I felt like having them. But that they might be problematic for hypo people.

They aren't problematic for hypo people. That's a misunderstanding of some bad science.

What you're talking about here is goitrogens. Many fruit and veg have goitrogenic properties and I bet you eat a lot of them without even realising you're doing it: strawberries? Walnuts? Peas? All goitrogenic. The list is long.

What a goitrogen does is impeded the uptake of iodine by the thyroid. The thyroid expands to try and capture more iodine forming a goitre: hence the name 'goitro-gen'. It needs iodine to make thyroid hormone.

When you are hypo, and taking thyroid hormone replacement - levo, etc. - your thyroid shuts down and stops making iodine, so you don't need as much as someone with a healthy thyroid. And, on top of that, you will be getting the iodine from your exogneous hormone that was used to make it, which will be recycled in your body. So, your need for iodine from other sources is greatly reduce.

What's more, one thing they never tell you is that you would have to eat a hell of a lot of goitrogenic fruit and veg for it to have that effect. Far more than is normally consumed. And it doesn't really matter if it's cooked or raw, it's highly unlikely that you're ever going to eat that much. And as you're hypo, it's not going to affect you anyway.

So, eat your broccoli and cabbage and enjoy - I love it, too. And don't listen to old wive's tales. :)

That said, there is one exception to that rule: soy. Soy is not just a goitrogen. It also has an effect at a cellular level impeding the uptake of thyroid hormones by the cells. So, you can have good levels in your blood but it won't be getting into the cells.

Unless it's fermented, of course. So, yes, fermented food is good for everybody provide it's not sterilised. It replenishes gut's healthful probiotics. So, eat your kimchi and your sauerkraut and - once again - enjoy. :)

Calceolaria profile image
Calceolaria in reply to greygoose

Oh thank you grey goose! That reply has made for so much reassurance. Moral is - come here for sensible answers from people who live it! ❤️

greygoose profile image
greygoose in reply to Calceolaria

Exactly! lol

janet65 profile image
janet65 in reply to greygoose

I thank you too for really spelling out the food situation. For many years I didn't eat any meat, not for ethical reasons.

I reintroduced it because I was zinc deficient but I'm picky on which I will eat.

I've just counted up exactly what I've eaten throughout February. 9 meat, 7 soy, 2 fish and the rest vegetable meals.

I did read somewhere that soy wasn't good for hypos but guess I'm in denial 🙄

Thanks again Greygoose.

greygoose profile image
greygoose in reply to janet65

You're welcome. :)

SlowDragon profile image
SlowDragonAdministrator

which thyroid antibodies reduced

Did they increase again after going back on gluten

Did symptoms increase after going back on gluten

It might take a year or so to see benefits of gluten free diet

Similarly dairy free diet often beneficial too

Calceolaria profile image
Calceolaria in reply to SlowDragon

It was the thyroglobulin that reduced from above 4000 to 29.

I was only tested the week before last so I don’t know if they increased after going back on gluten. I went back on gluten after I had the test, so only just over a week ago.

I don’t think my symptoms increased afterwards.

Thanks.

SlowDragon profile image
SlowDragonAdministrator in reply to Calceolaria

Thyroglobulin antibodies tend to reduce as TSH reduces

TPO antibodies tend to reduce with diet changes

Calceolaria profile image
Calceolaria in reply to SlowDragon

TPO reduced a little also, from 131 in Nov 2023, to 99.4.

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