DHEA Sulphate (DHEAS) Blood Test Kit
£54 ✓ In Stock
Your sample goes to a UKAS accredited laboratory meeting ISO 15189 standards.
After you receive your order confirmation email, please reply with your date of birth.
How it works
Your testing journey
From order to results in four simple steps. Full transparency on where each step happens and what it costs.
Receive your kit by post
Dispatched same working day if ordered before 3pm. Royal Mail Tracked delivery, typically 1–3 working days. 90% of kits arrive within 24 hours.
Visit a partner clinic
Book a phlebotomy appointment at one of our 365+ UK partner clinics. Take your kit with you — the phlebotomist will collect your sample using the materials provided.
Phlebotomy fee applies (paid at clinic)
Venous blood draw at a clinic
A trained phlebotomist takes a small blood sample from a vein in your arm using the vacutainers provided in your kit. The appointment takes around 10 minutes.
Return by prepaid envelope
Seal your sample in the biohazard bag provided and drop it in any Royal Mail postbox using the prepaid Tracked 24 envelope. Post Monday–Thursday for best results.
Venous Blood Collection Kit
This kit is sent to you and taken to your chosen clinic. The phlebotomist will collect your sample using the materials provided.
- 1Vacutainer blood collection tubes
- 2Needle and butterfly needle
- 3Tourniquet
- 4Alcohol swab
- 5Cotton wool and gauze
- 6Adhesive plaster
- 7Biohazard specimen bag
- 8Prepaid return envelope (Royal Mail Tracked 24)
- 9Laboratory request form
- 10Instructions for the phlebotomist
DHEA sulphate (dehydroepiandrosterone sulphate) is a steroid hormone produced almost exclusively by the adrenal glands—the small glands that sit on top of each kidney. It's the most abundant circulating steroid hormone in the body and serves as a reservoir or precursor that can be converted into more potent sex hormones including testosterone, dihydrotestosterone (DHT), and oestrogens in various tissues throughout the body. DHEAS is the sulphated (and therefore more stable and longer-lasting) form of DHEA. Because DHEAS comes almost entirely from the adrenal glands (unlike testosterone, which in women comes from both the adrenals and ovaries), it's a useful marker specifically of adrenal androgen production. DHEAS levels follow a characteristic pattern across the lifespan. Levels are high at birth (due to fetal adrenal activity), fall rapidly in infancy, remain low during childhood, then rise sharply during adrenarche (the maturation of adrenal androgen production, typically around age 6-8, before puberty). DHEAS peaks in early adulthood (around age 20-25) and then gradually declines—by age 70-80, levels are typically only 10-20% of peak values. This age-related decline has led to interest in DHEAS as a marker of biological ageing and 'adrenal reserve,' though the clinical significance of this decline remains debated. Elevated DHEAS can indicate several conditions. In women, elevated DHEAS alongside symptoms like acne, hirsutism (excess hair growth), or irregular periods may suggest Polycystic Ovary Syndrome (PCOS)—though in PCOS the elevation is typically mild to moderate, and very high DHEAS levels should prompt investigation for adrenal tumours or congenital adrenal hyperplasia. In children, elevated DHEAS can indicate premature adrenarche. Low DHEAS may indicate adrenal insufficiency (Addison's disease), hypopituitarism (since the pituitary hormone ACTH stimulates adrenal DHEAS production), or simply reflect the natural decline of ageing. DHEAS is typically interpreted alongside other hormones and clinical context. Results outside the normal range may need a follow-up with your GP or endocrinologist.
This test is for screening and information only — it is not a medical diagnosis or professional advice. Please have your results reviewed by a qualified doctor or healthcare provider who can explain what they mean for your personal health situation. If your results show anything outside the normal range, or if you're worried about your health, see your doctor as soon as you can. Don't change any medications or treatments based on these results alone — always talk to your healthcare provider first.
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Four steps to clarity
01
Pick your panel
Browse over 200 clinically designed test kits and choose the one that fits your goals.
02
Kit to your door
Everything you need arrives in discreet packaging with step-by-step instructions inside.
03
Collect your sample
Follow the simple instructions in your kit — whether it's a finger-prick at home or a venous draw at a partner clinic.
04
Insights delivered
Clear, easy-to-understand results sent to you online with actionable health guidance.
Frequently asked questions
Morning 7-10am when most hormones peak. For female hormone tests, cycle timing also matters — check Special Instructions on this page.
DHEAS is an adrenal androgen hormone that declines with age. It serves as a precursor to testosterone and oestrogen. High levels can indicate PCOS or adrenal conditions.
DHEAS is relatively stable throughout the day. Morning testing is preferred for consistency but timing is less critical than for cortisol or testosterone.
Not usually required for hormone tests unless the panel also includes cholesterol, glucose, or insulin markers. Check kit instructions.
Yes. Hormonal contraceptives, HRT, testosterone therapy, corticosteroids, and antidepressants can all affect hormone levels. Disclose all medications when discussing results.
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