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What is a good test for iodine levels?

Iodine is important for optimal immune system health. Having an iodine deficiency may lead to development of:

- gut infection

- imbalance of thyroid hormones

- fibrocystic breast disease

- fungal infection

- accumulation of halide toxins like bromide, fluoride, chlorine

- brain fog and problems with concentration

- cancer


If your physician suspects you have an iodine deficiency, they can check your iodine levels in one of four ways:

1. Urine test.

2. Blood test.

3. Patch test.

4. Iodine Loading test.


1. Urine test: This is the simplest and fastest test, but it’s not as accurate as other iodine tests.

2. Blood test: This is a simple and accurate test. However, it takes more time to read than a urine test.

3. Iodine patch test: For those who are not iodine deficient, the patch fades no sooner than 24 hours. This test is not the most accurate.

4. Iodine loading test: This test measures how much iodine you excrete in your urine over a 24-hour period. It’s quite accurate.


Which one is the most accurate and convenient?

Iodine loading test.












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1 Comment


Dan Mol
Dan Mol
Jul 29, 2021

What is the optimal range of iodine in a 24h loading test?

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