The science
behind Symprove

Symprove supports serious research. Committed to developing the understanding of the function and role of the microbiome, we also use a scientific approach to developing the most effective bacteria based product.

Our research

Founded in 2002, Symprove Ltd has been committed to extensive research and testing from the start. We want you to live a healthier, happier life, and because of this we’ve supported multiple research programs, both into the microbiome and Symprove itself. 

Several scientific studies have been carried out on Symprove and studies published so far include: 

  • Effective delivery system – survival of the Symprove bacteria through the Gastrointestinal tract
  • Gut function and how this is impacted by use of multistrain live bacteria products
  • Emerging research – The impact of Symprove on other components of the microflora and implications for the maintenance of human health

Scientific Researchers

Professor Simon Gaisford

UCL School of Pharmacy

Professor Gaisford is Head of the Department of Pharmaceutics at UCL’s School of Pharmacy, having previously been a Lecturer in Pharmaceutical Science at the University of Huddersfield. Prof Gaisford is an Honorary Teaching Fellow at the University of Manchester and has published 137 papers and four books.

Dr Frederic Moens


Dr Moens is a project manager in microbiome research with research organisation ProDigest. He is skilled in Biotechnology, Biochemistry, Microbiology, and Molecular Biology and has published many academic and journal papers. He has a PhD in Bioengineering and Biomedical Engineering.

Professor Ingvar Bjarnason

King’s College Hospital

Recognised as one of the top gastroenterologists in the UK, Professor Bjarnason is a world leader in the treatment of aspects of gastrointestinal disease. He is the author of over 250 peer-reviewed clinical papers. He takes, at all times, a holistic approach to diagnosis and treatment, backed-up with his own research.

Dr Bu Hayee

King’s College Hospital

Dr Hayee is a Consultant Gastroenterologist at King’s College Hospital and has been Clinical Lead for nearly five years. He trained at Guy’s Hospital and was appointed a Fellow of the Royal College of Physicians in 2015. He is nationally accredited for bowel cancer screening colonoscopy and has a specialist interest in Inflammatory Bowel Disease (IBD).

Professor Vanya Gant

University College London Hospital

Professor Gant is Consultant Microbiologist and Clinical Director for Infection at the Hospital for Tropical Diseases at UCL Hospitals Trust, which he joined in 1999. He spent five years at Guy’s and St Thomas’ Hospitals Trust as Senior Lecturer in Microbiology. He has an active research programme and serves on several Government-appointed national committees.

Dr Pieter Van den Abbeele


Dr. Pieter Van den Abbeele performed his PhD at LabMET, Ghent University, and was awarded a science and health award for his work. After postdoctoral research at Ghent University, Pieter Van den Abbeele joined ProDigest bvba as Chief Scientific Officer.

Putting Symprove to the test

In an independent study at University College London* Symprove was successful in its ability to survive, thrive and colonise the gut.

University College London carried out an independent study on products containing bacteria. The study subjected each product to three tests. These assessed if the bacteria arrived in a live state, survived stomach acid transit and thrived in the target area of the gut. Symprove was able to pass all three tests.

How Symprove is tested?

Symprove undergoes rigorous testing before being dispatched to our customers. Because we’re so committed to making sure Symprove meets our strict manufacturing guidelines, each batch is tested three times by an independent laboratory. The independent testing is carried out by a Good Manufacturing Practices (GMP) laboratory.

Gluten-free testing

Although we use barley extract to create Symprove, during the production process any gluten in the barley is removed. Samples are checked to ensure Symprove remains under the 20 parts per million limits for a gluten-free product. All this means we can be confident your bottle of Symprove is rigorously tested and of the highest quality.

Are you a Healthcare Professional?

Are you looking to understand why our unique live bacteria product is so effective? Read more about Kings College London and UCL independent studies on Symprove by visiting Symprove for Professionals. There you can find more educational information and resources about Symprove’s effect on the gut microbiome.


Committed to sustainability

Concern for the environment is integral to Symprove and we take our responsibility to sustainability very seriously. Here are some of the ways we are committed to the ongoing process of reducing our impact on the planet

Zero-waste grain

One way we are working to reduce waste is our use of the barley grain to make Symprove. After germinating the grain (increasing some enzymes by 600%!), fermentation gives us a Symprove ‘broth’ ready to add the bacteria to. The story doesn’t end here. We take the ‘spent’ grains and return them to the farm to be used to make a powerful organic fertilizer. So the grain starts from and returns to the land, being useful along the way. A big tick for the environment!

Harnessing the power of the sun

As a far less environmentally-damaging option, Symprove have invested in solar panels for our entire site, and we aim to produce 80% of our energy this way. This will enable us to move towards a carbon neutral approach to energy usage. So the energy from the sun that helps to grow our Symprove barley grain also powers our computers to take your orders and lights our offices.

Working wonders with water

Offices can be vast consumers of water, with consumption in the UK averaging at the equivalent of three office water coolers per employee per day. Well over half of this is used for flushing toilets. For over a decade here at Symprove we have been using ‘grey’ water (rainwater) to flush all the toilets in our office. It’s great to think that at Symprove water that would otherwise literally go down the drain is being reused and recycled.

Get Started with Symprove

  • Vegan VEGAN
  • Gluten_Free GLUTEN FREE
  • Dairy_free DAIRY FREE

Maintain your gut's healthy bacteria balance today!

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What our customers are saying


Based on over 1,900 reviews

Annie K
Week 10 of my Symprove!

Into week 10 of my Symprove and loving it. Taste great, grown to love it and most importantly, fantastic results for my gut. Happy customer 😍

John B
Life Changing

Symprove has been life changing for me to the extent that I don’t have to watch what I eat now. Highly recommend. 🙌

Backed up by science

Good product (backed up by science) provided at a reasonable price and with personable, well informed service.