Hey Jennifer–that could be a variety of reasons including other levels like hormones, leg strength, fatigue tolerance, sleep, etc. We are complicated puzzles!
]]>Up to 300 is an acceptable range however I would talk to your doctor because I am not one to be safe!! Having too much ferritin can cause issues.
]]>Is there ever a level that is too high. My son is at 99.
]]>Hey Jen—I believe greater than 35
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