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Analysis v1
Strong Support

In adults with chronic autoimmune thyroiditis, taking selenium supplements may lead to changes in how the thyroid appears on ultrasound, but these changes do not result in better thyroid hormone levels or reduced symptoms.

39
Pro
0
Against

Evidence from Studies

Supporting (1)

39

Community contributions welcome

39

Insufficient evidence to support the clinical efficacy of selenium supplementation for patients with chronic autoimmune thyroiditis

Systematic Review With Meta-Analysis
2021 Aug

Taking selenium pills made the thyroid look better on ultrasound, but it didn’t help people feel better or fix their thyroid hormone levels.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Insufficient evidence to support the clinical efficacy of selenium supplementation for patients with chronic autoimmune thyroiditis

Score: 39
DOI: 10.1007/s12020-021-02642-z

Similar Assertions

Taking selenium supplements is associated with lower levels of antibodies that attack the thyroid in people diagnosed with autoimmune thyroid disease.

72
59
88%

Taking selenium supplements does not change the levels of thyroid-stimulating hormone (TSH) in adults with chronic autoimmune thyroiditis, whether or not they are taking levothyroxine.

39
0
85%

People with autoimmune thyroid disorders tend to have lower levels of selenium in their blood compared to people without these disorders, based on measurements from a study of 134 individuals in India.

50
0
83%

Taking selenium supplements may lead to more side effects in adults with chronic autoimmune thyroiditis, without improving their health outcomes, so routine use is not recommended.

39
0
83%

People with autoimmune thyroid disease tend to have lower levels of selenium in their blood, whether their thyroid is underactive or overactive. This suggests the low selenium levels are linked to the autoimmune condition itself, not to whether the thyroid is producing too much or too little hormone.

50
0
82%