Vitamin D (25-OH)
The single best marker of your vitamin D status.
Vitamin E (Tocopherol)
Guard your cells from oxidative damage.
Vitamin K
Pinpoint your clotting and bone health status.
Vitamin Screen I
Pinpoint the vitamin gaps behind fatigue and low mood.
Vitamin Screen II
An expanded vitamin blood test for fatigue and low energy.
Vitamin Screen III
Uncover the vitamin gaps behind your fatigue and fog.
VLDL Phospholipids Test | Heart Health
See the hidden phospholipid load in your cholesterol transport.
Waaler-Rose Rheumatoid Factor Test
Clarify whether rheumatoid factor is driving your joint symptoms.
Y-chromosome microdeletions (AZF)
Pinpoint the genetic cause of male infertility.
Yersinia Antibody Blood Test (IgA & IgG)
Uncover hidden triggers of reactive arthritis and gut symptoms.
Yersinia enterocolitica IgG Antibody Test
Uncover the hidden cause of lingering joint or gut symptoms.
Yersinia enterocolitica IgM Antibody Test
Pinpoint the bacterial cause of persistent gut symptoms.
Zika Virus IgG & IgM Antibody Test
Clarify your Zika virus exposure and immune status with confidence.
Zika Virus PCR Blood Test
Fast, accurate Zika virus detection for peace of mind.
Zinc Blood Test
Uncover whether low zinc is holding your health back.
Zonulin Test | Gut Permeability Marker
Uncover the hidden driver of your gut barrier dysfunction.
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"What a great place to know about! After being sick for days I wanted to check my pancreatic biomarkers without having to fight for months with the NHS and was stunned to find somewhere 15 mins away at a good price with immediate availability. Harri got my vein first time, and it was virtually painless.. which is highly unusual for my veins as most take several attempts and almost always leave a bruise. To top it all.. the results were quick and clear. I will definitely be back."
"I had a very positive experience at E&J Bio UK Ltd. The staff were genuinely kind, professional, and made the whole process smooth and stress-free. Everything was handled efficiently, and I felt well looked after from start to finish. It’s rare to find a medical service where the team is both highly competent and so welcoming. Thank you to the lovely staff for the excellent care. Highly recommended"
"Absolutely perfect experience. No wait time at all, and Harry had me in and out within five minutes. He got my vein first time, and it was a near-painless experience. I got my (very clear and comprehensive) results within a few hours, and am altogether thrilled with the service. I’ll definitely be back very soon!"
"One of the staff named Harry attended to me, despite me showing up earlier than my appointment time. He was very professional and understanding. Shout out to Harry. I recommend them."
"I attended this clinic at very short notice after a previous clinic had attempted to take my blood 12 times without success that same morning. I reluctantly found this clinic online I was understandably anxious, but the phlebotomist Massi was absolutely fantastic. On her first attempt, she successfully took my blood with ease. She was calm, professional, and reassuring throughout. I feel incredibly lucky to have found her and would highly recommend Massi to anyone Thank you"
Serving North West London
Walk-in and pre-booked venous blood testing near Neasden Underground Station (Jubilee Line), with all-inclusive pricing and no GP referral required.