Nutrients and Energy Profile
Struggling with persistent fatigue or brain fog? This blood test investigates four essential nutrients: Active B12, Folate, Iron and Vitamin D. These are among the most common and easily correctable causes of low energy, so a simple test can often point you straight to the solution.
Doctor-led
UKAS labs
Results in 2-3 days
Order your Kit
Get a clear snapshot of your health without the hassle. We’ll send the kit and instructions
How it works
Book a home visit
A health professional takes your sample at home or work
From £65
Book a clinic
Professional blood draw at a nearby partner clinic.
From £40
Free tracked return
Post your kit in any Royal Mail postbox with the pre-paid, tracked label.
Doctor-written report
Every Brooksby Medical result is written and reviewed by a GP. You’ll get plain-English explanations for each marker and clear next steps.
Dr James Coleman, MBChB, MRCGP
Founder & GP, Brooksby Medical
Every report is personally reviewed with clear, actionable advice.
Data secure • UKAS-accredited labs • Doctor-led care
What’s measured in this test
Each biomarker helps reveal insights into your health.
Active Vitamin B12
Folate
Iron Profile
Vitamin D
Frequently asked questions
Who is this test for?
What can this test reveal?
How will I receive my results?
What happens if something is abnormal?
How should I prepare for my test?
Related reading
Articles from our GP that relate to this test - explaining your results, what they mean, and when to take action.
THE BRIEFING
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