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United Kingdom Dr Megan Rossi brings extensive scientific research and clinical expertise in gut health to empower individuals and collaborate with brands on evidence-based wellness solutions.
The Gut Health Doctor has an ongoing long-term collaboration with Lancome. Dr Megan Rossi (PhD, RD) is part of the 'Skin Science Club' alongside other experts.
Dr Megan Rossi created Bio&Me, the multi-award-winning food brand that makes it simple to incorporate gut health science into daily eating. The brand was co-founded by Megan Rossi and Jon Walsh in late 2019 and became UK Future Brand of the Year 2021, achieving B Corp Status in 2022.
Dr Megan Rossi partnered with King's Food to provide healthy meals on campus based on King's research.
Life Alive Organic Cafe launched a Plant Power Bowl and a 30-day Plant Challenge in collaboration with Dr. Megan Rossi, the Gut Health Expert.
Dr Megan Rossi created SMART STRAINS®, a revolutionary approach to live bacterial supplements. This range provides condition-specific products backed by rigorous science and global health bodies for targeted gut health support.
Mindful Chef, a UK recipe box service, announced a year-long partnership with Dr Megan Rossi, also known as The Gut Health Doctor.
Dr Megan Rossi (PhD, RD), born on October 10, 1988, in Cairns, Australia, is a distinguished dietitian, nutritionist, and author specializing in the microbiome. She grew up on a farm in rural Australia, influenced by her Italian heritage and science-teaching mother. This upbringing instilled in her a deep appreciation for healthy, home-grown food. Her academic journey began with a first-class honours in Nutrition and Dietetics from Queensland University of Technology (2006-2009). Following her degree, she worked as a dietitian at Princess Alexandra Hospital, Brisbane, and served as a nutritionist for the Australia Olympic Synchronised Swimming team. In 2014, she completed her PhD in gut health from the University of Queensland, which earned her the Dean’s Award, recognizing it among the top 5% for Outstanding Research Higher Degrees. The passing of her grandmother from bowel cancer during her final year of dietetics profoundly influenced her decision to dedicate her career to pioneering gut health research.
In 2015, Dr. Rossi moved to the UK to continue her research, focusing on nutrition-based therapies related to gut health, including prebiotics, probiotics, medical diets, plant-based diversity, and food additives. She has since served as a leading Research Fellow at King’s College London, securing over £3 million in research funding and publishing more than 50 scientific papers in international peer-reviewed journals. Her contributions have been recognized with several awards, including the British Medical Journal prize in 2017 and the British Nutrition Foundation award, presented by HRH Princess Anne. In 2020, she was honored with the Young Australian Achiever of the Year (living in the UK) Award for her work in science and public education.
Dr. Rossi established The Gut Health Doctor® in 2017 to bridge the gap between scientific research and public understanding, combating misinformation with evidence-based insights. This led to the founding of The Gut Health Clinic in 2019, assembling a team of gut specialist dietitians offering virtual and in-person consultations. In 2019, she co-founded Bio&Me, a multi-award-winning food brand focused on gut-healthy breakfast options. Most recently, in 2025, she launched SMART STRAINS®, a line of clinically proven, condition-specific live bacteria supplements designed to provide targeted support based on the latest scientific understanding.
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