Cortisol to DHEA-S Ratio

The Cortisol-to-Dehydroepiandrosterone Sulfate (DHEA-S) ratio measures the balance between catabolic (breakdown) and anabolic (restorative) processes regulated by the hypothalamic-pituitary-adrenal (HPA) axis. Cortisol represents the body’s stress response hormone, while DHEA-S acts as a counter-regulatory, protective hormone that supports immune, cognitive, and metabolic health. This ratio provides a snapshot of stress resilience, immune function, and adrenal health, particularly in women.

An elevated Cortisol-to-DHEA-S ratio suggests HPA axis dysregulation — a state where chronic stress tilts physiology toward breakdown rather than repair. This imbalance is linked to several clinical outcomes:

• Stress & Mental Health: Chronic elevation of this ratio has been observed in women with depression, anxiety, and low sexual desire, reflecting disrupted neuroendocrine function and stress adaptation.
  

• Immune Function: High cortisol relative to DHEA-S suppresses immune activity, reducing natural killer (NK) cell function, which plays a role in infection defence and cancer surveillance.
  

• Metabolic & Postmenopausal Health: In postmenopausal women, a high ratio is associated with metabolic syndrome, increased inflammation, and higher all-cause mortality. Interventions such as walking programs have been shown to lower this ratio and improve overall health outcomes.
  

• Aging: With age and menopause, DHEA-S naturally declines while cortisol remains stable or rises, resulting in a progressively higher ratio and reduced physiological resilience.

Several factors influence this ratio:

• Age & Menopause: Aging and oestrogen decline lower DHEA-S production, increasing the ratio.
  

• Chronic Stress: Persistent psychological or physical stress raises cortisol and suppresses DHEA-S, amplifying the ratio.
  

• Psychological States: Women with severe anxiety or pregnancy-related stress exhibit higher cortisol and lower DHEA-S, indicating heightened HPA activation.
  

• Lifestyle Factors: Regular physical activity, restorative sleep, and balanced nutrition help maintain a healthy ratio. Exercise, particularly structured walking, can normalise HPA function and lower this ratio in postmenopausal women.

If the ratio is high (high cortisol, low DHEA-S):

• Manage stress through mindfulness, meditation, yoga, or cognitive-behavioral therapy to reduce HPA overactivation.
  

• Exercise regularly — aerobic activities such as brisk walking improve cortisol balance and support DHEA-S production.
  

• Consider DHEA supplementation under clinical supervision. The Endocrine Society supports DHEA replacement in women with adrenal insufficiency presenting with low libido, fatigue, or depressive symptoms.
  

• Support recovery with sleep optimisation, adequate protein intake, and anti-inflammatory foods rich in omega-3s, magnesium, and B vitamins.
  

If the ratio is low (low cortisol, high DHEA-S or adrenal fatigue pattern):

• Investigate adrenal or pituitary disorders (e.g., Addison’s disease, hypopituitarism).
  

• Hormone replacement therapy (including glucocorticoid or androgen therapy) may be appropriate under medical guidance to restore normal adrenal and gonadal hormone balance.
  

• Ensure proper nutrition — adrenal function relies on adequate vitamin C, zinc, and B5 (pantothenic acid).

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2. Suh, E., Cho, A. R., Haam, J. H., et al. (2023). Relationship between serum cortisol, dehydroepiandrosterone sulfate (DHEAS) levels, and natural killer cell activity: A cross-sectional study. Journal of Clinical Medicine, 12(12), 4027. https://doi.org/10.3390/jcm12124027
   
   

3. Di Blasio, A., Izzicupo, P., Di Baldassarre, A., et al. (2018). Walking training and cortisol to DHEA-S ratio in postmenopause: An intervention study. Women & Health, 58(4), 387–402. https://doi.org/10.1080/03630242.2017.1310168
   
   

4. Laughlin, G. A., & Barrett-Connor, E. (2000). Sexual dimorphism in the influence of advanced aging on adrenal hormone levels: The Rancho Bernardo study. The Journal of Clinical Endocrinology and Metabolism, 85(10), 3561–3568. https://doi.org/10.1210/jcem.85.10.6861
   
   

5. Leff-Gelman, P., Flores-Ramos, M., Carrasco, A. E. Á., et al. (2020). Cortisol and DHEA-S levels in pregnant women with severe anxiety.BMC Psychiatry, 20(1), 393. https://doi.org/10.1186/s12888-020-02788-6