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DHEA

Hormonal Health

185.00

Test DHEA levels with a private blood test in London. Assess adrenal health, hormone balance, stress response and age-related hormone decline.

Turnaround time

Results available 7-10 days after arrival in lab. Doctor's report sent the day after results available (if required)

Biomarkers count

1

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Under 18? Patients under 18 can only be seen at GB Medlabs and Clinilabs, Monday to Friday only.

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Details about DHEA

What is the DHEA test?

The DHEA (Dehydroepiandrosterone Sulphate) blood test measures DHEA-S, a hormone produced mainly by the adrenal glands. DHEA acts as a precursor to testosterone and oestrogen and plays a central role in hormonal balance, energy regulation, and stress adaptation.

Because DHEA-S levels remain stable throughout the day, this test provides a reliable snapshot of long-term adrenal function rather than momentary stress levels. It is widely used in endocrinology, functional medicine, and preventative health screening.

Why do I need a DHEA test?

DHEA levels naturally decline with age, but abnormally low or high levels may indicate adrenal dysfunction, hormonal imbalance, or excessive physiological stress.

This test is particularly useful when symptoms persist despite normal routine blood results, or when investigating fatigue, hormone-related symptoms, or reduced stress tolerance.

You may benefit from a DHEA test if you experience:

Ongoing fatigue or low energy
Poor stress tolerance or burnout
Low libido or fertility concerns
Mood changes or brain fog
Muscle loss or reduced performance
Acne, hair thinning, or excess hair growth
Suspected adrenal or hormonal imbalance

Benefits of the DHEA test

Evaluates adrenal gland function
Reflects long-term adrenal hormone production.
Assesses hormone balance
Influences testosterone and oestrogen pathways.
Identifies age-related decline
Helps distinguish normal ageing from deficiency.
Supports fatigue investigations
Low levels are linked to chronic stress and exhaustion.
Aids fertility and reproductive health assessments
Relevant for both men and women.
Detects androgen excess
Elevated levels may explain acne or hair changes.
Supports preventative and longevity screening
Commonly used in optimisation protocols.
Guides safe supplementation decisions
Prevents unnecessary or harmful DHEA use.

Step by step – how the test works

You have two convenient testing options available UK-wide:

Clinic appointment
Choose your nearest UK clinic, where a healthcare professional will take your blood sample.
At-home or hotel visit (£60 extra)
A qualified phlebotomist comes to your home or hotel, collects your sample, and you don’t need to travel.

Your sample is analysed in a UK-accredited laboratory, and results are delivered securely.

Your results explained

Low DHEA levels

May indicate adrenal fatigue, chronic stress, hormonal ageing, or reduced adrenal reserve. Low levels are often associated with fatigue, low mood, reduced libido, and decreased stress resilience.

Typical UK reference range:

Adults: ~ 2.2–13.0 µmol/L (age and sex dependent)

Normal DHEA levels

Suggest healthy adrenal function and balanced hormone precursor production. Normal results usually indicate adequate stress adaptation and endocrine support.

Typical UK reference range:

Within laboratory age- and sex-specific intervals

High DHEA levels

May reflect adrenal overactivity, hormonal imbalance, or excessive supplementation. Persistently high levels can contribute to acne, hair loss, menstrual irregularities, or mood changes.

Typical UK reference range:

Above laboratory-specific upper limit

How It Works

Simple steps to get your results

1

Book Online

Choose your test online and book in seconds. Select your preferred clinic location or home visit option.

2

Visit or Test at Home

Attend one of our UK or London clinics, arrange a home nurse visit, or use a finger-prick kit where available.

3

Get Your Results

Your sample is analysed by accredited UK laboratories, with secure results delivered directly to you.

Take control of your health with London Blood Tests

How to Prepare for Your Test

Follow these guidelines for accurate results

Sample Timing

Where possible, attend your blood test between 7am and 12pm. Please wait until any short-term illness or infection has fully resolved before testing. Avoid intense exercise for 24–48 hours beforehand, as this can affect certain markers.

Fasting & Hydration

Fasting is not always required, but some tests may recommend it. If fasting is advised, avoid food for 8–12 hours before your appointment and drink water only. Stay well hydrated, as this helps with sample collection and accuracy.

Medications & Supplements

Continue prescribed medications unless advised otherwise by your clinician. Avoid vitamin, mineral, or biotin supplements for at least 24–48 hours before your test, as these can interfere with results. If you are unsure about any medication or supplement, please let us know before your appointment.

Hormones & Menstrual Cycle

For hormone-related tests, timing within your menstrual cycle may be important. If relevant, follow any specific guidance provided on your test page.

If you have any questions or special circumstances, our team is happy to advise before your appointment.

Frequently Asked Questions

The DHEA blood test measures DHEA-S (Dehydroepiandrosterone Sulphate), a hormone produced mainly by the adrenal glands. It reflects long-term adrenal hormone production and acts as a precursor to testosterone and oestrogen.

Yes. DHEA plays a key role in stress adaptation. Low levels are commonly seen in chronic stress, burnout, and prolonged fatigue, where the adrenal glands struggle to maintain hormone output.

Yes. DHEA levels peak in early adulthood and decline steadily with age. By later adulthood, levels may fall to less than half of peak values, which is why it is often referred to as an “ageing hormone.”

Absolutely. DHEA is essential for female hormone balance, libido, energy, and fertility. Abnormal levels may contribute to menstrual irregularities, fertility issues, acne, or hair changes.

Yes. Elevated DHEA can increase androgen activity, which may lead to acne, oily skin, scalp hair thinning, or excess facial or body hair, particularly in women.

If you are taking DHEA or hormone-related supplements, it is generally recommended to stop them before testing, unless advised otherwise by a clinician. This ensures accurate baseline results.

Fasting is not usually required for a DHEA blood test. However, follow any specific instructions provided at booking to ensure consistency.

Yes. Low DHEA may impact ovarian and testicular hormone production, potentially affecting fertility, egg quality, or sperm parameters, particularly in older individuals.

For monitoring or optimisation, DHEA levels are typically checked every 3–6 months, depending on symptoms, treatment, or supplementation plans.

Yes. At London Blood Tests, you can choose a clinic appointment or arrange a UK-wide home or hotel visit with a qualified phlebotomist for an additional £60.