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Item# LC004598


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Item Catalog Number: LC004598

Ferritin is a protein produced in the liver for the storage of iron. Ferritin is a sensitive and specific test that helps your doctor diagnose iron deficiency anemia. In general, a healthy ferritin level is greater than 20 ng/mL.

Higher levels of ferritin, greater than 400 ng/mL, are consistent with iron overload which is called hemochromatosis.

Fasting is not required. Take all medications as prescribed. Do not take your supplements the day of the test.


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Life Extension Blood LabsFerritin Blood Test

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Ferritin and Thyroid Function

By TRT Phoenix

from Bothell, WA

See all my reviews

Comments about Life Extension Blood Labs Ferritin Blood Test:

Ferritin is vital for thyroid function. Without sufficient ferritin a person taking thyroid medication may experience hyperthyroid symptoms because the hormone is not able to communicate/enter the cells. And my ferritin levels were on the low side even though I had been supplementing with 65mg iron daily for several weeks. My serum iron was high though, which means it can take a while to build ferritin levels in the body.

I take my iron at least 4 hours after I take my Liothyronine to make sure they both absorb properly. I make sure to space out my calcium about 4 hours as well. That's why I take calcium citrate, magnesium citrate and Vitamin D-3 at bedtime.

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