Adrenal fatigue

Adrenal fatigue is not a recognized diagnosis, and your symptoms are real but rarely caused by tired adrenal glands.

Endocrine societies do not recognize adrenal fatigue, and the evidence does not support the idea that adrenal glands wear out under stress. What is well established is HPA axis dysregulation: altered signaling between brain and adrenal gland, producing a flattened cortisol rhythm. Your symptoms are real. The mechanism differs from the label, and that changes treatment.

Sustained demand alters the timing and amplitude of cortisol output rather than depleting it. Alongside that: reduced DHEA, impaired T4 to T3 conversion, glycemic instability, fragmented sleep and nutrient depletion. True adrenal insufficiency, Addison's disease, is a serious, separate and treatable condition that must be excluded rather than assumed.

Circadian anchoring through light and meal timing, which addresses the signaling problem directly. Glycemic stabilization. Sleep extension. Training load reduced to Zone 2 rather than increased. Adaptogens and nutrient cofactors where the pattern supports them, not as a default. And the demand driving it, which no protocol replaces.

Four-point cortisol across the day, to establish rhythm rather than a single value. DHEA-S. Complete thyroid function including reverse T3. Fasting insulin and glycemic markers. Ferritin, B12, magnesium and vitamin D. Where morning cortisol is genuinely low or symptoms suggest Addison's, that is an ACTH stimulation test and an endocrinology referral, not a supplement plan.

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Brianna Cole, DNP, APRN and Tanner Wilson, DC, IFMCP of EvoHealth in Overland Park
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