Dehydroepiandrosterone Level – DHEA Explained
The dehydroepiandrosterone level measures the concentration of the hormone DHEA in the blood. DHEA is a key adrenal steroid hormone influencing energy, mood, and hormonal balance.
Things worth knowing about "Dehydroepiandrosterone Level"
The dehydroepiandrosterone level measures the concentration of the hormone DHEA in the blood. DHEA is a key adrenal steroid hormone influencing energy, mood, and hormonal balance.
What Is the Dehydroepiandrosterone Level?
The dehydroepiandrosterone level (DHEA level) refers to the concentration of the steroid hormone dehydroepiandrosterone (DHEA) in the blood. DHEA is produced primarily by the adrenal cortex and is one of the most abundant steroid hormones in the human body. It acts as a precursor (prohormone) for the production of sex hormones such as estrogen and testosterone. In clinical practice, the more stable sulfate form DHEA-S (dehydroepiandrosterone sulfate) is most commonly measured, as it has a longer half-life in the bloodstream.
Biological Functions of DHEA
DHEA and its sulfate DHEA-S serve several important roles in the body:
- Precursor for the synthesis of estrogens and androgens
- Modulation of immune system activity
- Influence on mood, well-being, and cognitive function
- Potential role in preserving muscle mass and bone density
- Involvement in energy metabolism
DHEA levels are strongly age-dependent. They peak between the ages of 20 and 30, then steadily decline. By the age of 70 to 80, levels may fall to only 10 to 20 percent of their youthful peak. This gradual decline is referred to as the adrenopause.
Normal Values for the Dehydroepiandrosterone Level
Reference ranges for DHEA-S levels vary by age and sex. Typical values in blood serum include:
- Women (ages 20–29): approximately 65–380 µg/dl
- Men (ages 20–29): approximately 280–640 µg/dl
- Women (age 60 and older): approximately 20–130 µg/dl
- Men (age 60 and older): approximately 50–240 µg/dl
Exact reference ranges may vary slightly between laboratories and testing methods. Results should always be interpreted by a healthcare professional within the appropriate clinical context.
Causes of Altered DHEA Levels
Low DHEA Level
A reduced dehydroepiandrosterone level may result from:
- Age-related decline (adrenopause)
- Adrenal insufficiency (e.g., Addison disease)
- Chronic stress and elevated cortisol production
- Hypothalamic or pituitary disorders
- Long-term use of corticosteroids
- Chronic illness and systemic inflammation
Elevated DHEA Level
An abnormally high DHEA level may be associated with:
- Adrenal tumors or adrenal hyperplasia
- Polycystic ovary syndrome (PCOS)
- Congenital adrenal hyperplasia (CAH)
- Use of DHEA dietary supplements
- Certain forms of Cushing syndrome
Diagnosis: Measuring the DHEA Level
The dehydroepiandrosterone level is determined through a routine blood test. Typically, DHEA-S in serum is measured due to its greater stability compared to free DHEA. Blood collection is ideally performed in the morning under fasting conditions, as DHEA levels can fluctuate throughout the day. Additional hormone tests -- such as cortisol, FSH, LH, testosterone, or estradiol -- may be ordered to obtain a comprehensive hormonal profile.
Clinical Relevance and Treatment
The clinical significance of the DHEA level is an active area of research. In conventional medicine, DHEA replacement therapy is primarily used in cases of confirmed adrenal insufficiency. In some countries, DHEA is also marketed as a dietary supplement, with claims of benefits for energy, libido, memory, and immune function. However, the scientific evidence supporting these uses remains limited and inconclusive.
When a clinically significant deficiency is identified, physician-supervised DHEA supplementation may be considered. Self-medication without medical supervision is not recommended, as excess DHEA can lead to side effects such as acne, hair loss, mood changes, and hormone-related complaints.
References
- Arlt W. - Dehydroepiandrosterone and ageing. Best Practice and Research Clinical Endocrinology and Metabolism, 2004; 18(3): 363–380.
- Burger HG. - Androgen production in women. Fertility and Sterility, 2002; 77(Suppl 4): S3–S5.
- Endocrine Society - Clinical Practice Guidelines on Adrenal Insufficiency and DHEA, 2016. Available at: www.endocrine.org
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