Blood Sugar Blues

This is an excellent explanation from Hashimoto's Healing of the affect that blood sugar and cortisol have on the adrenals and thyroid: :

When your blood sugar levels drop below normal, your adrenal glands respond by secreting cortisol. Cortisol then tells the liver to make more glucose, bringing blood sugar levels back to normal. 

Hypoglycemia is a condition in which there is not enough cortisol to raise blood sugar into the normal range. 

The problem is that cortisol (along with epinephrine) is also a sympathetic nervous system stimulant involved in the “flight or fight” response. This can end up wearing out the adrenals.
In fact, we often see adrenal fatigue and hypoglycemia together.

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