David, Cortisol levels can be measured via blood, urinary or saliva tests. Here is something basic on both Cortisol blood tests and urine test. I could not find anything on PubMed for saliva testing.
https://www.nlm.nih.gov/medlineplus/...cle/003703.htm
Quote:
Originally Posted by DavidHC
I don't mean to turn this into a discussion about cortisol panel, but I don't know anything about it. I don't think I've had one and am thinking perhaps I should get one. Why would one get one? I have experienced plenty of fatigue, but that has almost entirely disappeared with vitamin D intake. Then again, not entirely.
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