Can Hashimoto's Go Into Remission?

Hashimoto's itself does not go away. The autoimmune process usually stays for life, and Australia's healthdirect says plainly that it has no cure. But "remission" gets used for a few different things, and some of them are real: thyroid function can occasionally recover on its own, a mildly raised TSH often settles without treatment, and some temporary forms of thyroiditis resolve completely. What there is no good evidence for is any diet, supplement or programme that reverses Hashimoto's.

If you have seen "reverse your Hashimoto's" promises online, or been told by your doctor that it cannot be reversed, both can feel confusing. This guide sorts out what the research actually shows.

What "remission" could mean

There is no agreed research definition of "Hashimoto's remission", which is part of the problem. People use it to mean three quite different things:

• The antibodies disappear. This is rare.
• The thyroid starts working well enough that medication is no longer needed. This happens occasionally, usually on its own.
• Symptoms improve. This is common, and it can have many causes besides the thyroid.

Most online "remission" claims blur these together.

Can thyroid function recover on its own?

Sometimes, yes. In a Japanese study of 92 people with an underactive thyroid from Hashimoto's, 22 recovered enough thyroid function that they stayed well when levothyroxine was stopped under supervision. The other 70 all became underactive again within three months of stopping. A second study traced some recoveries to a particular type of antibody that blocks the thyroid fading away on its own. Nothing the participants did caused it.

A review of 17 studies on stopping thyroid medication found about a third of people stayed well after stopping. But the evidence was low quality, it covered every cause of an underactive thyroid (not just Hashimoto's), and many people had probably been only mildly affected to begin with. Among people first diagnosed with a clearly underactive thyroid, only about 1 in 8 stayed off treatment.

So recovery of function is possible for a minority, it is not something anyone can reliably make happen, and it can only be found out safely with your doctor, with tests.

A mildly raised TSH often settles by itself

A single slightly high TSH is not a diagnosis. In a large Israeli study of people with no known thyroid disease, about 62% of mildly raised TSH results came back normal on a repeat test, without treatment. That is why doctors often retest before starting medication, and it explains some "I fixed my thyroid" stories. The result was never a lasting problem in the first place.

Antibody numbers fall, but that is not remission

Thyroid antibody levels go up and down on their own, and Australian Prescriber notes this has no clinical significance. They also tend to drift down over the years: in one study of people on levothyroxine, antibodies fell in 92% of people over about four years, but became negative in only 16%. So when someone's antibodies drop after starting a new diet or supplement, it is impossible to tell whether the change made any difference. A lower antibody number is not the same as a healthier thyroid.

What about diets?

• Gluten-free. If you have coeliac disease, a strict gluten-free diet is essential. Without it, a review of the studies found no significant effect on thyroid antibodies. Asked whether a gluten-free diet helps autoimmune thyroid disease, the Australian Thyroid Foundation answers: "The answer is no." Get tested for coeliac disease before cutting gluten.
• Autoimmune protocol (AIP). The study most often quoted was a small pilot of 16 people with no comparison group, run with a coaching programme co-founded by one of the authors. People reported feeling better, but there were no significant changes in thyroid function or antibodies.
• Selenium. Trials have lowered antibody numbers in some people, but reviewers found no clear improvement in how the condition behaves. In a 12-month trial of 412 people already on thyroid medication, quality of life improved just as much on placebo. Too much selenium also carries its own risks.

Feeling better on a healthier diet is real and worthwhile. It is just not the same as Hashimoto's going away.

Forms of thyroiditis that do resolve

Some kinds of thyroid inflammation are temporary. Postpartum thyroiditis, which can happen after giving birth, and painless (silent) thyroiditis often run their course. The American Thyroid Association says about 80% of people's thyroid function returns to normal within 12 to 18 months, although a minority go on to need long-term treatment. These recoveries are real, and they are probably behind many "I reversed my thyroid" stories, but they are different conditions from long-standing Hashimoto's.

When remission is not possible

If your thyroid has been removed by surgery or treated with radioactive iodine, there is no thyroid tissue left to recover. Replacement is lifelong, and any claim otherwise is simply wrong.

Never stop your medication on your own

Stopping levothyroxine without medical supervision can bring symptoms back within weeks. If you and your doctor think it is worth checking whether you still need it, for example because your original diagnosis was mild, that should be a planned, supervised trial with follow-up tests. Current expert advice is that most people who start levothyroxine continue it for life, and that coming off should only ever be tried in selected cases, closely supervised.

Questions to ask your doctor

1. How underactive was my thyroid when I was diagnosed, and how sure are we of the diagnosis?
2. Is there any reason to think my thyroid could have recovered?
3. Would a supervised trial off medication ever make sense for me, and how would we check?
4. Do my antibody numbers matter for my treatment?
5. Should I be tested for coeliac disease before changing my diet?

Where ThyroBase fits

We do not believe in "reverse your Hashimoto's" promises, and ThyroBase does not make one. It is a daily morning and evening nutrition powder for people living with Hashimoto's or an underactive thyroid, with no added iodine and no kelp. It is not designed to change your antibodies, your thyroid function or your need for medication, and it sits alongside your thyroid medication, never instead of it. Here is who it is, and is not, designed for.

Living well with Hashimoto's is very achievable.

It just rarely looks like the promises in the advertisements.

Frequently asked questions

Can Hashimoto's go into remission?

Hashimoto's itself usually lasts for life, and healthdirect says it has no cure. Thyroid function occasionally recovers on its own, and some temporary forms of thyroiditis resolve, but there is no good evidence that any diet or supplement puts Hashimoto's into remission.

Can you come off levothyroxine with Hashimoto's?

A minority of people can, particularly if their original diagnosis was mild, but it can only be tested safely as a planned trial with your doctor and follow-up tests. Most people who start levothyroxine continue it for life. Never stop it on your own.

Does a gluten-free diet reverse Hashimoto's?

No. Without coeliac disease, studies found no significant effect on thyroid antibodies, and the Australian Thyroid Foundation says a gluten-free diet does not help autoimmune thyroid disease. If you have coeliac disease, a strict gluten-free diet is essential, so get tested first.

If my antibodies go down, is my Hashimoto's going away?

Not necessarily. Antibody levels fluctuate and often fall over time on their own, but they rarely disappear, and a lower number does not mean your thyroid is healthier. Your TSH and free T4 are what guide treatment.

The honest takeaway

Hashimoto's does not usually go away, and no diet or supplement has been shown to reverse it. Real recoveries do happen, but they are uncommon, they happen on their own, and they are found with your doctor and a test, not by stopping medication. Living well with Hashimoto's comes from the right dose, checking for the conditions that travel with it, and looking after yourself, which is a goal worth more than any promise of a cure.

ThyroBase is a nutritional supplement and is not intended to diagnose, treat, cure, or prevent any disease. It is designed to sit alongside your thyroid medication, not replace it. This article is general information, not medical advice. Never start, stop or change a supplement or prescription medication without speaking to your doctor or pharmacist first.

References

healthdirect Australia. Hashimoto's disease. healthdirect.gov.au. Last reviewed September 2024.
Takasu N, Komiya I, Asawa T, Nagasawa Y, Yamada T. Test for recovery from hypothyroidism during thyroxine therapy in Hashimoto's thyroiditis. The Lancet. 1990;336(8723):1084-6.
Takasu N, Yamada T, Takasu M, et al. Disappearance of thyrotropin-blocking antibodies and spontaneous recovery from hypothyroidism in autoimmune thyroiditis. New England Journal of Medicine. 1992;326(8):513-8.
Burgos N, Toloza FJK, Singh Ospina NM, et al. Clinical outcomes after discontinuation of thyroid hormone replacement: a systematic review and meta-analysis. Thyroid. 2021;31(5):740-51.
Meyerovitch J, Rotman-Pikielny P, Sherf M, et al. Serum thyrotropin measurements in the community: five-year follow-up in a large network of primary care physicians. Archives of Internal Medicine. 2007;167(14):1533-8.
Mortimer RH. Thyroid function tests. Australian Prescriber. 2011;34:12-5.
Schmidt M, Voell M, Rahlff I, et al. Long-term follow-up of antithyroid peroxidase antibodies in patients with chronic autoimmune thyroiditis (Hashimoto's thyroiditis) treated with levothyroxine. Thyroid. 2008;18(7):755-60.
Piticchio T, Frasca F, Malandrino P, et al. Effect of gluten-free diet on autoimmune thyroiditis progression in patients with no symptoms or histology of celiac disease: a meta-analysis. Frontiers in Endocrinology. 2023;14:1200372.
Australian Thyroid Foundation. Thyroid and Coeliac Disease. thyroidfoundation.org.au.
Abbott RD, Sadowski A, Alt AG. Efficacy of the autoimmune protocol diet as part of a multi-disciplinary, supported lifestyle intervention for Hashimoto's thyroiditis. Cureus. 2019;11(4):e4556.
Winther KH, Rayman MP, Bonnema SJ, Hegedüs L. Selenium in thyroid disorders: essential knowledge for clinicians. Nature Reviews Endocrinology. 2020;16(3):165-76.
Larsen C, Winther KH, Cramon PK, et al. Selenium supplementation and placebo are equally effective in improving quality of life in patients with hypothyroidism. European Thyroid Journal. 2024;13(1):e230175.
American Thyroid Association. Thyroiditis; Postpartum Thyroiditis. thyroid.org.
Maraka S, Papaleontiou M. Approach to the patient considering thyroid hormone deprescribing. Journal of Clinical Endocrinology & Metabolism. 2026;111(4):1169-74.