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Better Gut Health. Backed by Science.


It started with a gut feeling

How TUMME Began

In 2021, Rudi van der Vlies, an entrepreneur living with IBS, reached out to Dr. Simone Peters, a gut health expert, clinical psychologist, and founder of the Mind + Gut Clinic. What began as a search for answers quickly turned into something bigger.

Through their conversations, Rudi realised something surprising: despite how many people struggle with gut issues every day, no brand was truly focused on helping them feel better; naturally, consistently, and with care.

So he made a decision: “If no one else is stepping up for gut health, we will.”

That moment sparked the beginning of TUMME®—a brand built on lived experience, clinical expertise, and a genuine mission to help people feel more like themselves again.


Our Vision

We're determined to make a difference

At TUMME®, we’re on a mission to transform lives—one tumme at a time. By 2035, our vision is to improve the gut health of 10 million people facing digestive challenges. How? Through innovative, science-backed products, proven strategies, and a community that truly cares. Together, we’re making gut health simpler, better, and life-changing.

 


Point of difference

Multi-disciplinary Approach

What sets us apart is our belief in a holistic approach to gut health. We understand that lasting results come from combining supplements, dietary strategies, and behavioural therapies. This multidisciplinary focus is at the heart of our mission: to educate, empower, and inspire individuals to take control of their gut health and live their most fulfilling lives.


The science

Science, Integrity, Innovation

Each of TUMME® products undergoes a meticulous journey, from conception to formulation, underpinned by the latest scientific research and clinical trials. Our approach is rigorous and evidence based.

"The Science" isn't just words - it's a testament to our dedication to making a tangible difference in the lives of those we serve, grounded in the principles of transparency, trust and transformative health solutions.

Our investment back into gastrointestinal research.

TUMME® provides financial donations to support investigator-led gastrointestinal research at Monash University.

Our partners