A new service that includes vitamin B12 & vitamin D blood testing.

Viapath Nutris provides you access to the most comprehensive, definitive, state of the art nutritional blood tests in pathology.

See Our Tests
Sign up for our latest news and offers

A new way of getting tested

Viapath Nutris is a pathology to patient service delivered by Viapath laboratories at Guy’s and St Thomas’ NHS Foundation Trust.

Many of our test panels are exclusive to Viapath Nutris and are not available elsewhere in Healthcare.

FAQs >

Private Blood Tests UK

Simple and quick

We’ve made our blood testing service as easy as possible, so you can get tested at your convenience on your terms.


Choose a test panel

Select from our ever-growing range of nutritional laboratory tests without a clinician/physician’s referral.


Have your blood collected

Choose to either have your blood taken at the Blood Test Centre at St Thomas’ Hospital in London, or receive a postal pack and have blood drawn by a qualified professional in a clinic of your choice.


Access your report online

Log in to your secure Viapath Nutris account to access your laboratory report with commentary from a registered healthcare scientist.

Viapath Nutris at St Thomas' Hospital

A trusted NHS partner

Viapath was formed as a centre of excellence by the Guy’s and St Thomas’ NHS Foundation Trust in 2009, and joined 18 months later by the equally renowned King’s College Hospital NHS Foundation Trust.

More About Us >