Healf Zone
Your biology has the answers.
At-home blood testing across 37 key markers. One complete picture. Starting from £79.
HOW IT WORKS
From testing to action
Painless at-home testing
Under 30 minutes — no needles, no clinics. One small device on your arm, and your sample reaches our lab the next day.
- Results in 72 hours
Delivered straight into your personal dashboard. Every biomarker explained in plain language — what it means, why it matters, what to do next.
Magnesium Bisglycinate
200mg daily before bed
Your Magnesium is suboptimal and your Oura data shows inconsistent deep sleep. Bisglycinate supports both recovery and sleep quality.
1:1 expert advice
Unrushed time with our expert nutritionists to go through your results, answer your questions, and build a tailored wellbeing plan together. Complimentary for full members, discounted for Core customers.
What we test for
Every aspect of your wellbeing, covered
- Active Vitamin B12
- Alanine Aminotransferase
- Albumin
- Alkaline Phosphatase
- ApoA1
- ApoB
- ApoB:A1 Ratio
- Bilirubin
- Blood Urea Nitrogen (BUN)
- C-Reactive Protein
- Copper
- Creatine Kinase
- Creatinine
- eGFR (Estimated Glomerular Filtration Rate)
- Ferritin
- Folate
- Follicle Stimulating Hormone (FSH)
- Free Testosterone
- Free Thyroxine (Free T4)
- Free Triiodothyronine (Free T3)
- GGT
- HbA1c
- HDL Cholesterol
- Iron
- LDL Cholesterol
- Luteinising Hormone (LH)
- Magnesium
- Non-HDL Cholesterol
- Oestradiol
- Progesterone
- Sex Hormone Binding Globulin (SHBG)
- TC:HDL Ratio
- Thyroxine (T4)
- Total Cholesterol
- Total Protein
- Total Testosterone
- Triglycerides
- Triiodothyronine (T3)
- TSH (Thyroid-Stimulating Hormone)
- Uric Acid
- Vitamin D
- Free Androgen Index
- Zinc
HEALF ZONE TESTING
Choose your test
One-off or ongoing — every option includes access to our in-house practitioners.
Your Healf Bloods kit
Every kit includes:
- At-home blood test using the Tasso device
- Results within 72 hours
- All-in-one health dashboard with personalised recommendations
- Discounted 1:1 nutritionist consultations
- Wearable integration for deeper insights
Lite
£79 one-time
For those who want the fundamentals of heart, cholesterol, vitamins and liver.
Select Core Most Popular
£199 £99 one-time
For those who want the full picture, including hormones, recovery markers and minerals.
Or Membership
£289 per year
For those who want to see how their levels change over time.
2 × Core tests per year
Complimentary 1:1 consultation after each test, valued at £80
Next-day delivery on all Healf orders
Exclusive event access
OUR EXPERTS
Developed alongside leading minds
Dr. Tara Swart
MD, PhD Neuroscientist
Dr. Swart brings her renowned expertise in neuroscience and mental wellbeing to the forefront of health optimisation. A former MIT lecturer and author of the bestselling book, The Source.
Dr. Gareth Shepherd
PhD AI Engineer
With his expertise in AI-driven health optimisation, Dr. Shepherd helps shape the cutting-edge technology that informs your wellbeing solutions.
Dr. Uma Naidoo
MD Nutritional Psychiatrist
Dr. Naidoo’s groundbreaking research in Nutritional Psychiatry influences how we connect nutrition to mental and physical wellbeing.
Dr. Evelyne Bischof
MD, PhD, MPH Longevity Physician
Dr. Bischof’s expertise in preventative medicine informs the advanced health strategies you receive.
Dr. Andrew Steele
PhD Scientist & Longevity Specialist
Dr. Steele holds a PhD in Physics from Oxford and is known for applying AI to decode DNA and predict heart attacks.
HOW WE COMPARE
A blood test like no other
| Feature | Healf Zone | Standard |
|---|---|---|
| Blood volume required | < 1 mL | > 10 mL |
| Testing speed | 15 minutes, at home | 1+ hour, clinic visit |
| Biomarkers tested | Quality > quantity | Quantity > quality |
| Outcomes | Actionable recommendations, tailored to you | Overwhelming data, little to no guidance |
| Support | 1:1 consultations with our in-house practitioners | Summary report, left to figure it out alone |
FAQs
What is Healf Zone and what makes it different?
Healf Zone eliminates the guesswork in wellbeing by identifying the right products for your unique biology. It delivers science-backed, personalised recommendations designed to optimise your biomarkers.
When should I take the Female MOT test?
If you still have a menstrual cycle, we recommend taking the test on day 2–3 of your period.
Who can do a Healf Zone test?
Healf Zone is currently available in the UK only and is not suitable for individuals who are pregnant or under the age of 18.
How does the Healf Zone membership work?
Your Healf Zone membership is an annual plan that includes two at-home blood tests.
How long does it take to receive my results?
Your at-home test kit is shipped shortly after you join. Your results and personalised dashboard are ready within 72 hours of your sample reaching the lab.
Why do our experts recommend testing every six months?
Our experts believe that every six months is the optimal frequency for blood testing.