Test
Urine Iodine
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This might be the missing piece to help improve your thyroid function
Iodine is an essential element that is challenging to obtain through diet, especially since fewer people use iodized salt these days. Your body needs iodine to produce thyroid hormones, so a deficiency can contribute to or worsen hypothyroidism. Discover your iodine levels to make informed dietary and supplement choices based on real data
Why We Love This
This simple, at-home urine test makes it easy to uncover an iodine deficiency that could be affecting your thyroid function. With results based on real data, you can make informed dietary and supplement choices to support your health.
What to Expect
The kit will be mailed directly to your house.
Collection instructions:
Detailed instructions will be provided within the test kit.
Diet & Supplement Considerations:
Collection instructions:
Detailed instructions will be provided within the test kit.
Diet & Supplement Considerations:
- If you take iodine supplements or foods daily, continue to take them as usual when testing.
- If you eat foods high in iodine, or take supplements only periodically, avoid them the day before and day of your urine collection.
- Avoid for 3 days prior to testing: biotin/vitamin B7 (hair and nail formulas).
Details
The Root Urine Iodine test is a convenient alternative to the traditional 24-hour urine collection method for measuring iodine levels. This test requires just two urine sample collections during the day.
This test is for people who experience 1 or more of the following:
- Uncontrolled hypothyroidism
- Feeling “unwell” despite being on the “right dose” of thyroid meds
- Fatigue
- Brain Fog
- Muscle Weakness
- Scaly/dry skin
- Goiter (thyroid enlargement)
- Unexpected weight gain
- Eating a vegan diet
- Not consuming iodized salt
Results:
You will receive results via email within 10-14 business days after sending in the kit.
**Please note that all test kits purchased through Root must be sent in to the appropriate lab within 6 months of purchase.**
***This test cannot be completed in NY***
**Please note that all test kits purchased through Root must be sent in to the appropriate lab within 6 months of purchase.**
***This test cannot be completed in NY***
Results
After the lab receives your sample, it typically takes 10-14 business days to process the results. Expect a total turnaround time of 3-4 weeks. The Root team will upload your results to your secure health portal, and you will be alerted when they are ready for viewing.
Sample Report
The Urine Iodine sample report evaluates your iodine and creatinine levels, providing clear insights into whether you fall within the normal range to help guide your nutritional and health decisions.

Sample Report
The Urine Iodine sample report evaluates your iodine and creatinine levels, providing clear insights into whether you fall within the normal range to help guide your nutritional and health decisions.
Need extra support and guidance?
Add on visits with a Root doctor as needed via your membership. We'll review the results in detail with you one on one and answer any questions you may have.
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