About Functional Gut Diagnostics

Providing smart solutions for the diagnosis of gut health problems

When it comes to gastrointestinal (GI) problems, too many patients are suffering without getting the right answers or treatment.

We believe that ‘just good’ isn’t good enough and have made it our mission to provide the latest diagnostic test equipment, analysis, research and training to enable you to provide exceptional patient care.

By combining our clinical, scientific and technical expertise we connect you with precisely the right solution for your patient.

Functional Gut Diagnostics Ltd is the UK distributor for Diversatek Healthcare/Sandhill gastroenterology products and Commonwealth Diagnostics International test kits.

Our aim

Our team’s aim is to greatly improve the performance, delivery, analytical power and support for diagnostic testing.

Providing state of the art equipment, test kits and analysis helps healthcare professionals generate important clinical data to assist their diagnosis and treatment decisions.

Founded on clinical knowledge and laboratory expertise we continually push the boundaries of research in the field of functional gut disorders by running and participating in clinical trials. The outcomes and knowledge gained is disseminated to further advance the understanding and treatment of gastrointestinal problems.

Our history

Functional Gut Diagnostics (FGD) was established by Dr Anthony Hobson in 2014 to complement the clinical activity already underway at The Functional Gut Clinic.

FGD exploded into life in 2017 with a joint venture with Craig Strasnick and his visionary team at Commonwealth Diagnostics International Inc from the US. The shared values of FGD and CDI have already seen a hugely successful roll out of our unique hydrogen and methane breath test kits in the UK, a development which was recently acknowledged as ‘outstanding’ by the CQC in terms of improving patient choice and accessibility.

FGD continues to look to grow and develop its product portfolio to ensure patients have access to the highest quality diagnostic tools to help improve their quality of life.


Functional Gut Diagnostics (FGD) is pleased to announce that we have partnered with Owlstone Medical to launch a Breath Testing Kit for Digestive Health to enable patients to take better control of their digestive health.