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Hormone &Health
Clinic

Specialising in Hormones, Gut Health, Skin & Weight Loss 

BOOK YOUR 15 MINUTE DISCOVERY CALL TO FIND OUT HOW WE CAN HELP YOU

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We are the hormone, gut, skin & weight loss specialists

At The Barleycorn Clinic, a CQC Registered Clinic, we are proud to be the first Advanced Nurse Practitioner Prescriber & Functional Medicine–led clinic, redefining a truly personalised approach to healthcare.

We support you in navigating your hormones and overall health through at-home functional laboratory testing, expert clinical analysis, and personalised coaching. Our approach combines science-backed solutions with compassionate care, helping you restore balance, optimise health, and feel your best.

We also offer advanced medical aesthetic treatments, delivered by a highly qualified healthcare professional, designed to enhance both confidence and wellbeing from the inside out.

Alongside this, our clinician-led weight loss injection clinic provides ongoing, personalised support throughout your journey — ensuring safe, effective, and sustainable results, far beyond what an online pharmacy can offer.

HRT Clinic
We are a CQC registered clinic, led by our NMC-registered, British Menopause Society (BMS)–trained practitioner, offering a whole-health approach to hormone replacement therapy. Our care is evidence-based, personalised, and designed to support you through every stage of perimenopause and menopause with confidence.

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HORMONE & DUTCH TESTS . GUT & WELLNESS TESTS . 

PERI/MENOPAUSE & ADRENAL SUPPORT PROGRAMS . WEIGHT LOSS . HRT CLINIC 

Google Review

DUTCH TESTING & GUT ISSUES

"I had comprehensive testing at the Barleycorn clinic-Dutch hormone testing and Gut testing. I finally found the answers I have been looking for as previously I’ve been told that all my blood results come back fine but I certainly didn’t feel fine. I’ve been put on protocols and my health really is feeling better. I completely trust the Barleycorn clinic and they have a client for life. Thank you."

M. HIGGINS

Barleycorn Clinic Icon

Personalised hormone and gut  support  & expert medical aesthetics, with weight loss  support

The First Nurse Practitioner Prescriber & Functional Medicine–Led, CQC Registered Clinic — redefining healthcare through a patient-centred, evidence-based, and truly holistic approach.

As a fully CQC registered clinic, we are committed to delivering safe, high-quality, and regulated care you can trust.

We provide personalised support at every stage of your health journey. With a dual foundation in Functional and Conventional Medicine, our clinician combines science, experience, and compassion to help you reclaim your vitality. We work in partnership with you to uncover the root causes of illness and restore balance — not just manage symptoms.

Our clinic offers advanced functional laboratory testing, including DUTCH hormone testing, comprehensive blood analysis, and gut health panels, alongside other leading diagnostics. This enables us to identify imbalances with precision and deliver highly personalised, targeted care.

We are also proud to offer a dedicated Hormone Replacement Therapy HRT clinic, led by our British Menopause Society–trained practitioner, providing expert, evidence-based support for perimenopause and menopause. Our approach ensures safe, individualised treatment tailored to your unique hormonal profile and symptoms.

We are a clinician-led weight loss clinic — not an online pharmacy — offering ongoing, personalised medical support throughout your journey. Our focus is on safe, effective, and sustainable results, with continuous guidance every step of the way.

Our Services

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Lab Testing &
Health Programs

Science backed genetic & functional tests

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Weight Loss
Consultations

Personalised Health Consultation

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Health
Consultations

Personalised Health Consultation

Botox Injections

Medical Aesthetic
Treatments

Anti-Wrinkle & Anti-Sweat Treatments

NOT SURE WHAT'S FOR YOU?

BOOK YOUR 15 MINUTE DISCOVERY CALL TO FIND OUT HOW WE CAN HELP YOU

Our Health Programs 

Some of our Core Tests and Health Programs - click on links below to find out more.

Hormone & Dutch Test Programs

Gut Health Test Program

Dutch Hormone & Gut Health Test Combo Programs

Hormone Blood Panels

HRT Clinic

Food Sensitivities & Intolerance Tests

Wellness Tests

Peri/Menopause Programs

Adrenal Support Programs

Full Blood Testing Panels

Our lab testing options cover a wide range of health concerns.

 

Meet the Clinical Director 

DONNA BARLEYCORN

Advanced Nurse Practitioner Prescriber (NMP/RN) Certified Functional Medicine Clinician (FDN-P) MSc BSc hons Dip HE PGCHE FHEA 

CQC Registered Clinic 

At the Barleycorn Clinic, the First Advanced Nurse Practitioner Prescriber & Functional Medicine–Led Clinic — we provide personalised consultations and treatments either virtually through tele-health or in our discrete private clinic located in West Sussex. Our multidisciplinary team brings together a highly experienced Nurse Practitioner and a GP Advisor specialising in women’s health, ensuring a truly holistic and personalised approach to care.

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HORMONE HEALTH CLIENT

I’d heard amazing things about Donna's knowledge to help others in this field that I had complete trust in her ability to help me.  I was made to feel at complete ease to tell her about some very personal and sensitive issues. From the consultation to the results session I had 1:1 support. I also have a written report of my test results "

MISS LIS

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THE ULTIMATE GUIDE TO MENOPAUSE & WEIGHT LOSS

As we approach menopause, it seems to become harder and harder to lose weight, with many people turning to cult slimming clubs or weight loss drugs.. there's often underlying health issues getting in the way. Sign up to my newsletter and download your free book below!

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