Omega-3 fatty acids (fish oil) & Graves' disease and hyperthyroidism

Written based on 6 research studies on PubMed, searched on 2026. nov. 14..

The claim

Posts online say that omega-3 fatty acids (fish oil) helps with Graves' disease and hyperthyroidism.

Where research stands

We found 6 published papers on omega-3 fatty acids (fish oil) and Graves' disease and hyperthyroidism. They were published between 1998 and 2023. None of them is a study in people. 4 were studies in animals, and none was only in cells in the lab. 1 paper is a review that sums up other studies.

• 0In people
• 4In animals
• 0Only in the lab

What the studies found

We have not summed up these studies in words yet. The most important papers are listed under Sources.

Verdict

Unproven means: it was only tested in animals or cells, or there is too little or mixed data from people. How we rate claims

Sources

1. Omega-3 fatty acid supplements and recurrent miscarriage: A perspective on potential mechanisms and clinical evidence.2023 · Food Sci Nutr · Review
2. The role of fish oil in attenuating cardiac oxidative stress, inflammation and fibrosis in rat model of thyrotoxicosis.2019 · Heliyon · In animals
3. Omega-3 fatty acids decreases oxidative stress, tumor necrosis factor-alpha, and interleukin-1 beta in hyperthyroidism-induced hepatic dysfunction rat model.2016 · Pathophysiology · In animals
4. Cardiac connexin-43 and PKC signaling in rats with altered thyroid status without and with omega-3 fatty acids intake.2016 · Physiol Res · In animals
5. Thermogenesis and fatty acid composition of brown adipose tissue in rats rendered hyperthyroid and hypothyroid-with special reference to docosahexaenoic acid.1998 · Jpn J Physiol · In animals
6. Coincidence of remission of postpartum Graves' disease and use of omega-3 fatty acid supplements.2011 · Thyroid Res · Other paper