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Tests analysed by an NHS-approved and UKAS-accredited laboratory. Regulated and trusted across the UK.

Islam K.

CEO & Co-Founder

“For the most accurate results, I always recommend venous collection. A venous draw gives the lab a larger, higher-quality sample — so every biomarker is measured with full precision. It’s the same method used in NHS clinics.”

How do you want to take your sample?

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18+ Only. T&Cs apply.

How to prepare for your test

Before your test

Take your sample first thing in the morning, before breakfast — this gives the most accurate readings for cholesterol, glucose, and hormones
Water is fine beforehand — stay well hydrated the day before and on the morning of your test
Ideally collect before 10 am, when hormone levels are at their baseline
Avoid alcohol for at least 24 hours before your test
If you take regular medication, take it as normal unless told otherwise by your GP
Avoid intense exercise the evening before — it can temporarily affect some markers

If you’re using the finger-prick home kit

Warm your hands under warm water for 2–3 minutes before collecting
Use the side of your ring or middle finger (not the tip) for the best blood flow
Let gravity help — keep your hand below your heart while collecting
Gently massage your finger towards the tip; don’t squeeze hard
Fill the tube to the marked line — an underfilled sample may need repeating

When to post your sample: Post your sample on the same day you collect it, Monday to Wednesday. Royal Mail typically delivers next day, so your sample arrives at the lab fresh. Avoid posting on Thursdays, Fridays, or before a bank holiday to prevent your sample sitting in transit over the weekend.

Watch video: how to collect your sample

If you’ve booked a nurse visit

A qualified nurse will come to your home at your chosen time
The venous draw takes around 5 minutes — quick and straightforward
Wear a short-sleeved top or loose sleeves for easy access
After the nurse collects your sample, simply package it using the prepaid envelope included in your kit and drop it at a postbox the same day
Venous samples provide the lab with a larger, higher-quality sample for the most reliable results

Posting after a nurse visit: The same posting rules apply — send your sample the same day, Monday to Wednesday, to ensure it reaches the lab promptly.

After your test

Results are typically ready within 2 working days
You’ll receive a notification when your results are available in your dashboard
Each marker comes with a personalised explanation of what it means for you
If you use a health wearable (Apple Watch, Oura, Whoop, Garmin, etc.), connect it in your account after placing your order — we’ll combine your blood data with daily metrics like sleep, activity, and heart rate for deeper, more personalised insights