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Functional Diagnostics Ltd, Rowlandson House,
289-293 Ballards Lane,
N12 8NP

+ 44(0) 203 995 4202


Customer Service

We are committed to making the whole process, from purchasing your FDX test to receiving your reports as quick and seamless as possible.

For Logistics queries including; test kits, ordering and tracking or sample collection queries please contact:

logistics@functionaldx.com Or call +44 203 995 4197

Our phones are manned from 9.00am to 5pm. Monday to Friday.

We answer emails as quickly as we can.

UK Clients
All of our test kits come with everything needed to collect the blood sample, simply and safely. Included in the kit is a prepaid return label.

European Clients and Outside of the UK

We help clients all over the world access FunctionalDX and our world leading health reporting every year. Please contact the logistics team to discuss your requirements.


Contact Us

The FDX team are available 10:00am – 4:30pm Mon-Friday

Email the team at: teamFDX@functionaldx.com

Is this your first FDX report? We offer a free report call for all first-time users so you canbecome proficient inusing your FDX report.Contact us via calendly for the team to go through the results with you.If you are looking for support to go through subsequent reports you can book a slot on thecalendly. Or contact us support@functionaldx.com to arrange.

Functional Testing Education

Join FDeXucate to gain a fundamental understanding of Functional Medicine on Blood and Health reports. Designed for health care practitioners, our online learning program will walk you through step-by-step on how to use FDx with your clients. Empowering you to take charge, reduce time inefficiencies and increase client satisfaction.

Together, were using technology to lay the cornerstone for a healthier world.

Click here to visit FDeXucate

If orders or payments are cancelled within 60 days of the placement of order for any reIason prior to commencement or use of the Services provision you will be entitled to a refund of any monies paid in relation to those services not used.

I) Prior to release of the refund all consumable materials must be returned to FDX in an unused and resalable condition. When kits are returned, we advise that they are returned in a plastic postal bag, to maintain their integrity, otherwise charges as per above will be applied.

II) If materials are returned in an unusable and unsaleable condition, we reserve the right to charge a non-negotiable administration fee of £30.

III) For orders cancelled between 60-90days after order, subject to the return of materials as above. FDX reserves the right, without recourse to charge a cancellation fee, including administration fee of 30% of the total invoice value.

IV) For cancelled orders that are 90-120 days, subject to the return of materials as above. FDX reserves the right, without recourse to charge a cancellation fee, including administration fee of 50% of the total invoice value.

V) All cancelled orders that are more than 120-days old from the date of order, are deemed null and void and no refunds are available or will be made.

Terms and Conditions – please familiarise yourself with the terms and conditions here

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