What are thyroid cofactors?
Two major cofactors which can significantly improve thyroid function if known to be deficient are iodine and selenium.
Iodine is the classic therapy for hypothyroidism as it is needed by the thyroid gland to synthesise thyroid hormones.
Selenium is another essential mineral needed for proper thyroid functioning. The thyroid gland contains more selenium than other body parts and during selenium deficiency, the body meets the selenium needs of the thyroid even before it sends selenium to the brain.
What we test
Thyroid Cofactors
Iodine and selenium are essential cofactors for proper thyroid function. Approximately 80% of absorbed iodine is excreted in the urine, making it a good marker of the previous day's intake.
Found in vegetables, fish, shellfish, red meat, grains, eggs, chicken, liver, garlic, brewer's yeast, wheat germ, and enriched breads. Helps protect cells from damage, and is needed for thyroid gland function.
Creatinine is a waste product that your body makes when you use your muscles or when your body digests meat. Healthy kidneys remove creatinine from your blood, and it leaves your body in your urine. This test can find out whether your kidneys are working normally or to see if treatment for kidney disease is working.
Iodine is an essential trace element and an integral component of thyroid hormones. Thyroid hormones are required for normal growth and development of tissues and maturation of our bodies. Approximately 80% of iodine is excreted in the urine, making it a good marker of the previous day's intake.
Iodine levels can be adjusted for urine dilution using creatinine. This adjustment accounts for differences in urine volume or concentration and allows for a more accurate assessment of iodine status.
Test instructions
Download and print your pathology form from your i-screen dashboard.
Take your form to one of our affiliated collection centres to have your sample taken - no need for an appointment.
Cease iodine supplements for 3 days before the test.
Results for this test available in 10-12 days and will be published in your online dashboard.
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