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Dr Aruchuna Ruban is a Consultant Gastroenterologist based in London, UK. Dr Ruban has over 14 years of clinical experience and was registered as a specialist in Gastroenterology and General Internal Medicine by the GMC in 2020.

He currently practices as a Consultant Gastroenterologist at Imperial Private Healthcare in St Mary's Hospital, London. He has specialist interests in nutrition, small intestinal bacterial overgrowth (SIBO), obesity medicine and inflammatory bowel disease. He also typically sees patients with the following conditions: colonic polyps, irritable bowel syndrome, gastro-oesophageal reflux (GORD), anaemia and GI blood loss.

He completed his medical degree in 2007 at Imperial College London and also went on to complete a Master's in Medical Education from University College London in 2014. He was awarded a PhD from Imperial College London in 2019 for his work on metabonomics, obesity and diabetes research.

He has been the lead author on several gastroenterology publications in renowned peer-reviewed journals. He has experience running clinical research trials and was awarded the prestigious Integrated Healthcare Scholarship from the International Federation for the Surgery of Obesity and Metabolic Disorders in 2021.

Dr Ruban is also a member of the British Society for Gastroenterology (BSG) and sits on both the small bowel and nutrition committee and the Research committee of the society. He is also a Senior Clinical Teacher for Imperial College London.