Selenium Status Geography

Evidence quality

Where it comes from

Highlighted claims

• Selenium intake varies by location because soil selenium levels differ across the world. — Selenium for Hashimoto's Thyroiditis
• Food grown in low-selenium soil tends to contain less selenium, while food from selenium-rich regions can contain more. — Selenium for Hashimoto's Thyroiditis
• Testing is useful because someone in a low-selenium region may be more likely to benefit from supplementation than someone already consuming enough selenium. — Selenium for Hashimoto's Thyroiditis
• Europe, including Germany, and China are presented as places where selenium intake can be low. — Selenium for Hashimoto's Thyroiditis