Cortisol Tests. The major lab test used to diagnose Adrenal Fatigue is, as you might have guessed, the cortisol test. Depending on his or her preference, your doctor may order a saliva, blood or urine test to measure your cortisol.
What vitamins are good for adrenal fatigue?
It is important to note that not all of these will be appropriate for each individual.
Vitamins B5, B6, B12. These important B vitamins play an important role in cell metabolism.