Exercise and dieting: "It has been shown that... - Thyroid UK

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Exercise and dieting

greygoose profile image
9 Replies

"It has been shown that women or men who perform more than moderate exercise, especially when associated with dieting, have reduced T4 to T3 conversion and increase reverse T3, counteracting many of the positive effects of exercise in women including weight loss (236,237). Consequently, T3 and reverse T3 levels should be evaluated in individuals who exercise and/or diet to better determine cellular thyroid levels, as TSH and T4 would not necessarily reflect tissue levels in such patients."

from: nahypothyroidism.org/deiodi...

Something to take to your doctor when he says 'eat less and exercise more'?

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greygoose
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9 Replies

It is strenuous exercise that inhibits the conversion and reduce T3.

Moderate exercise i.e. walking and resistance training, on the contrary, will boost the metabolism and keeps it for a longer time as muscles develop and replace fat.

Eliminating food such as wheat, grains, and sugar and replacing them with nutritionally dense food (good fat, nuts, protein, vegetables) will eliminate empty calories, and facilitate the conversion.

greygoose profile image
greygoose in reply to

Thank you. Can you give me the source of that information?

in reply togreygoose

This is not a single source. However, one of the references endorsed by many users of this forum states this as well.

stopthethyroidmadness.com/2...

greygoose profile image
greygoose in reply to

OK, but doesn't it all add up to the same thing?

You are saying it is strenuous exercise that is the problem.

So is the article I posted. I quote : "It has been shown that women or men who perform MORE than moderate exercise, especially when associated with dieting, have reduced T4 to T3 conversion and increase reverse T3,"

Isn't that the same thing?

But thank you for the link, anyway. Always interesting to read something from STTM.

gabkad profile image
gabkad in reply togreygoose

yes, it seems to be the same thing. 'more than moderate exercise' seem to be the key words.

But if memory serves me right this was a study done in Turkey using normal people. These situations are time limited and blood was taken on a super regular basis to elucidate a short time limited study period.

What hypo person even with good replacement is capable of above moderate exercise anyway? If you can, kudos to you. I can't remember which health blogger posted this information but it's not really relevant to us hypos. We just need continuous moderate grade exercise when we can do it.

Angel_of_the_North profile image
Angel_of_the_North in reply togabkad

Really depends on the definition of moderate exercise

greygoose profile image
greygoose in reply toAngel_of_the_North

Yes, but then you get people saying : oh, I go to the gym every day, run 20 miles, swim on Sundays, and I'm totatlly wiped out! I don't understand. I'm too tired to do my housework!!!

This I have actually seen many times. My response is : give up the gym, the running and swimming and do your housework! That's exercise too!

greygoose profile image
greygoose in reply togabkad

I would have though it was even more relevant to us hypos. If 'normal' people find they lack T3 after exercising, what is it like for someone that doesn't have much T3 to start with.

I would have thought that it meant that even moderate exercise is too much for some of us.

Besides, if you read the whole article, there is a lot more interesting stuff about hypo. Which is why I posted the link. :)

greygoose profile image
greygoose

That's a bit judgemental, isn't it? I don't really see why it affects you what people use the article for.

But I agree with what you say about over-exercising. Trouble is, we've all been brain-washed to believe that exercise is the cure of all ills, and it really isn't.

Hugs, Grey

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