In people with Hashimoto’s thyroiditis, taking selenium supplements raises levels of selenium and certain antioxidant proteins in the blood, and these changes are linked to lower levels of thyroid autoantibodies and TSH.

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Pro

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Against

Evidence from Studies

Supporting (1)

56

Community contributions welcome

56

Effect of selenium on thyroid autoimmunity and regulatory T cells in patients with Hashimoto’s thyroiditis: A prospective randomized‐controlled trial

Randomized Controlled Trial

Human

2021 Jul

Taking selenium supplements helped people with Hashimoto’s thyroiditis lower their harmful antibodies and improve thyroid function, likely because selenium boosted their body’s natural antioxidant defenses.

Contradicting (0)

0

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No contradicting evidence found

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Source Study

Effect of selenium on thyroid autoimmunity and regulatory T cells in patients with Hashimoto’s thyroiditis: A prospective randomized‐controlled trial

Score: 56

DOI: 10.1111/cts.12993

Similar Assertions

In people with Hashimoto's thyroiditis, lower levels of selenium in the blood are linked to higher levels of antibodies that attack the thyroid gland, even when overall selenium levels are not deficient compared to healthy individuals.

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0

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In people with Hashimoto's thyroiditis who have normal selenium levels, taking selenium supplements daily for six months or longer is linked to sustained increases in thyroid antibodies and hormone levels over five years.

59

0

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Among adults with Hashimoto's thyroiditis who have normal selenium levels, taking selenium supplements is linked to a 169% higher relative risk of developing psoriasis over five years.

59

0

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Among adults with Hashimoto's thyroiditis who have normal selenium levels, taking selenium supplements has been linked to a higher chance of developing other autoimmune conditions, including Sjögren's syndrome, over five years.

59

0

85%

Taking 200 micrograms of selenium yeast daily for six months raises selenium levels in the blood and increases the activity of two selenium-dependent proteins involved in antioxidant defense in adults with Hashimoto’s thyroiditis.

56

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85%