Bloated by 4pm, even when you eat “right”? 5 reasons people are switching to GutSupp.

If you’ve tried probiotics, cut out foods and still feel uncomfortable by the end of the day, you’re not alone. The problem may not be what you’re adding to your gut, but what you’re feeding it. Here’s what makes GutSupp different.

  • 60-day money-back guarantee
  • One sachet a day
Try GutSupp risk-free
GutSupp sachet being mixed into food
  • Gluten-Free
  • Informed Sport Tested
  • Improves Digestion
  • Boosts Gut Health
  • Powered by Bimuno GOS
  • Improve Sleep Quality
GutSupp-branded sachet being poured into coffee
Reason 1 - Gut Balance

Why your probiotic might not be making it to your gut.

Most gut supplements add new bacteria and hope they survive the journey, but stomach acid destroys much of it before it reaches your gut. Instead of adding bacteria, GutSupp nourishes the beneficial bacteria already in your gut, particularly bifidobacteria, which supports healthy digestion.

Up to 99% probiotic bacteria are destroyed by stomach acid
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Real Science. Real Results.

7 daysBoosts good gut bacteria
130+scientific publications
20+years of research
Illustration of the gut
Reason 2 - Lasting Effect

Bloated again the next day? Quick fixes don't change the cause.

If your bloating returns the next day, the cause probably hasn’t changed. Peppermint tea, charcoal tablets and skipping lunch might take the edge off for an afternoon. But they don't change what's going on in your gut, so the bloat comes back. GutSupp promotes a healthier gut environment for better digestion and regularity, supporting daily digestive balance every day rather than just temporary symptom relief.

  • Supports gut balance rather than masking how you feel
  • Helps you feel comfortable after meals, day after day
  • One tasteless sachet a day, with no change to your routine
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Researchers working with a microscope in a laboratory
Reason 3 - Proven in 7 days

20 years of research from the University of Reading, in one sachet a day.

Bimuno GOS, the active ingredient in GutSupp, has been shown in clinical studies to increase beneficial gut bacteria within 7 days. It’s backed by 20 human clinical trials, 130+ published studies and more than 20 years of research at the University of Reading.

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Reason 4

Real customers, in their own words.

Real customers, in their own words, on what changed after a few weeks of one sachet a day.

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Amie J. before taking GutSupp
Before
Amie J. after taking GutSupp
After
Amie J.

Beating the Bloat

“Since making GutSupp a daily habit, my stomach feels so much flatter and I finally feel like myself again!”
  • Probiotics, cutting dairy · Taking it: 3 months
  • Noticed in 7 Days
Katie H. before taking GutSupp
Before
Katie H. after taking GutSupp
After
Katie H.

Finally Feeling Lighter

“Bloating used to completely drain my energy and make me feel sluggish by mid-afternoon.”
  • Supports smoother digestion
  • One unflavoured sachet a day
Harrison T. before taking GutSupp
Before
Harrison T. after taking GutSupp
After
Harrison T.

My stomach doesn't swell up after lunch any more

“Within a week of taking GutSupp, my stomach is visibly flatter and I finally feel confident.”
  • Reduced bloating in just 7 days
  • Super easy to take daily
Emily O. before taking GutSupp
Before
Emily O. after taking GutSupp
After
Emily O.

The Missing Piece to My Routine!

“GutSupp is the only thing that has given me consistent, daily relief.”
  • Promotes a balanced gut
  • 30-second addition to my routine
Reason 5 - A simple daily habit

One sachet. Your usual routine.

No new drink to learn to love. Add GutSupp to the food or drink you already enjoy. One tasteless sachet fits into your existing routine, so looking after your gut is easier to stick to.

  • Open one daily sachet
  • Mix into hot or cold drinks, yoghurt, porridge or a smoothie
  • Keep your box beside your breakfast essentials
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Prebiotics explained by registered nutritionist Kayla Daniels.

Hear from the nutritionists.

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4.8/5 on Trustpilot 50,000+ happy customers

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Clinically proven prebiotic powder, powered by Bimuno GOS, that nourishes beneficial gut bacteria to support digestive comfort.

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60-day money back guarantee

60-day money back guarantee

Most customers see results in 2-4 weeks. If you do not feel noticeable improvements within 60 days, simply email us and we will give you a full refund. Full guarantee details

60-day money-back guarantee

One sachet. Every day.

Bimuno GOS feeds beneficial gut bacteria. Human studies have assessed daily use over several weeks, so consistency matters.

We recommend taking one sachet every day for at least 60 days to give yourself time to assess how you feel. Results vary.

No noticeable improvement? Email hello@gutsupp.com with your order number within 60 days of delivery to claim a refund, even if you have opened and tried it.

Explore the science

“Good gut health isn't built overnight, it's the result of small, consistent actions. GutSupp helps support that process by feeding the gut ecosystem in a simple, sustainable way that clients can realistically maintain.”

Kayla Daniels Kayla DanielsRegistered nutritionistDipCNM, BANT, CNHC

Nutritional information

Nutritional information
When will I notice results?

Many people begin noticing improvements in digestive comfort, bloating and overall gut balance within the first 7 days of daily use. Clinical studies on Bimuno GOS have shown increases in beneficial gut bacteria within this timeframe.

Because everyone’s gut microbiome is different. Some people notice changes sooner, while others experience more noticeable improvements with continued daily use over 2–4 weeks. For best results, GutSupp should be taken consistently every day.

How to use?

Take one sachet daily and stir it into any cold or room-temperature food or drink - coffee, smoothies, yoghurt or water. It’s unflavoured, heat-stable and dissolves easily, so it fits seamlessly into your routine. Consistency is key, so take it at any time of day, morning or evening, as long as you take it daily.

Product Benefits

Supports digestive comfort and regularity by nourishing beneficial gut bacteria, helping to restore balance in the gut. A healthier gut may also support better sleep through the gut-brain connection, strengthen immune function, and contribute to improved daily energy and overall wellbeing.

What makes GutSupp different?

GutSupp is backed by over 100 scientific publications and 20+ human trials, making it one of the most studied prebiotics of its kind. It works quickly, increasing beneficial gut bacteria in as little as 7 days, while selectively feeding the bacteria your gut actually needs - not everything indiscriminately. Plus, it’s effortless to use, with a tasteless, heat-stable formula that fits easily into your daily routine.

Ingredients

GutSupp is made of Bimuno Powder (Galactooligosaccharides (GOS) derived from lactose (milk), galactose (milk). Allergens are marked in bold.

The Bimuno technology is a blend of non-digestible Galactooligosaccharides (GOS) that passes through the upper gastrointestinal tract until it reaches the colon, where it enhances the production and activity of beneficial gut bacteria.

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Find out why thousands of people start their day with GutSupp.

Angela3rd January 2026

★★★★★

“I have used GutSupp (formerly Bimuno) for several years and found it very helpful for my IBS and delicate tummy. I use with my cereal to set me up for the day. Great regular delivery & communications. If you need to delay delivery it is very easy to implement. Highly recommended”

Bru Dahl26th November 2025

★★★★★

“I have been using it for about two years on the recommendation of my Consultant Gastroenterologist. I have tried numerous prebiotics and probiotics over the years with zero results, so I was extremely skeptical. Since starting Bimuno I really have no gastro problems at all now - no IBS, no reflux and I no longer need the medication I was taking.”

Gary L.11th October 2025

★★★★★

“Been using GutSupp/Bimuno for a number of years now, I suffered with IBS before it was really a known thing, took a number of years to be diagnosed, anyway I recommend it as I rarely have any IBS problems and believe that it has had a significant effect on my improvement.”

Gut support that works with your gut, not against it

Feel less bloated in as little as 7 days

Clinically studied Bimuno GOS helps nourish beneficial gut bacteria linked to reduced bloating, less gas and improved digestive comfort.

Support smoother, more comfortable digestion

GutSupp helps support a healthier gut environment linked to better digestion, improved regularity and everyday digestive balance.

Feeds the good bacteria already in your gut

Unlike many supplements, GutSupp works by selectively nourishing beneficial bifidobacteria already living in your gut microbiome.

Feel the difference faster

While many gut supplements can take weeks, studies show GutSupp may help support digestive comfort and beneficial gut bacteria in just 7 days.

Backed by real clinical research

Powered by Bimuno GOS with 20+ years of research, published scientific studies and multiple human clinical trials.

Simple daily support for long-term gut health

One tasteless sachet a day helps support digestive balance, gut comfort and overall wellbeing without disrupting your routine.

Feel less bloated in as little as 7 days

Clinically studied Bimuno GOS helps nourish beneficial gut bacteria linked to reduced bloating, less gas and improved digestive comfort.

Support smoother, more comfortable digestion

GutSupp helps support a healthier gut environment linked to better digestion, improved regularity and everyday digestive balance.

Feeds the good bacteria already in your gut

Unlike many supplements, GutSupp works by selectively nourishing beneficial bifidobacteria already living in your gut microbiome.

Feel the difference faster

While many gut supplements can take weeks, studies show GutSupp may help support digestive comfort and beneficial gut bacteria in just 7 days.

Backed by real clinical research

Powered by Bimuno GOS with 20+ years of research, published scientific studies and multiple human clinical trials.

Simple daily support for long-term gut health

One tasteless sachet a day helps support digestive balance, gut comfort and overall wellbeing without disrupting your routine.

Feel the difference in as little as 7 days

Days 1-3

GutSupp begins feeding the good bacteria already in your gut. Some people notice less bloating and improved digestive comfort early on.

Days 4-7

As beneficial gut bacteria increase, digestive comfort improvements may become more noticeable within 7 days of daily use.

Days 8-14.

With continued daily use, many people report feeling lighter, less bloated and more comfortable after meals.

Beyond 14 days

Daily use helps support long-term gut balance, digestive comfort and overall wellbeing from within.
Start Your Journey Today

Excellent 4.8 out of 5

“Couldn't be without it now”

I would absolutely recommend GutSupp

I would absolutely recommend GutSupp. I had irritating but not serious IBS symptoms ranging from constipation to diarrhoea. My nutritionist recommended I try gutsupp. I saw results in about 2 weeks and now after 6 weeks of taking GutSupp daily my IBS symptoms are gone. I am converted! I would absolutely recommend GutSupp. I had irritating but not serious IBS symptoms ranging from constipation to diarrhoea. My nutritionist... I would absolutely recommend GutSupp. I had irritating but not serious IBS symptoms ranging from constipation to diarrhoea. My nutritionist recommended I try gutsupp. I saw results in about 2 weeks and now after 6 weeks of taking GutSupp daily my IBS symptoms are gone. I am converted!

Amazed by the effect

I'm amazed by the effect 3 weeks of taking GutSupp has had. I have been a bad sleeper since childhood and now, aged 60, I'm sleeping better than ever before. Thank you! I'm amazed by the effect 3 weeks of taking GutSupp has had. I have been a bad sleeper since childhood... I'm amazed by the effect 3 weeks of taking GutSupp has had. I have been a bad sleeper since childhood and now, aged 60, I'm sleeping better than ever before. Thank you!

Suits my sensitive stomach

I find that GutSupp suits my sensitive stomach. One a day is enough for me, my stomach feels a lot more comfortable, less bloated. Excellent product. I find that GutSupp suits my sensitive stomach. One a day is enough for me, my stomach feels a lot... I find that GutSupp suits my sensitive stomach. One a day is enough for me, my stomach feels a lot more comfortable, less bloated. Excellent product.

Thinking clearer and calmer

After 3 weeks on GutSupp I can think clearer and I am noticeably more calm in general. After 3 weeks on GutSupp I can think clearer and I am noticeably more calm in general. After 3 weeks on GutSupp I can think clearer and I am noticeably more calm in general.

I have used GutSupp for about two years

I have used GutSupp for about two years now and I have found a really big difference on my digestive system, - much less in the way of stomach cramps and indigestion, particularly over night. and things go through me in a much shorter and less troublesome way. I have also have a lower BP than before. I have used GutSupp for about two years now and I have found a really big difference on my digestive... I have used GutSupp for about two years now and I have found a really big difference on my digestive system, - much less in the way of stomach cramps and indigestion, particularly over night. and things go through me in a much shorter and less troublesome way. I have also have a lower BP than before.

Feel rested again

I used to wake up in the middle of the night and not be able to go back to sleep. GutSupp has changed that - since I started taking it with my tea I sleep through the night, waking refreshed and energised. I used to wake up in the middle of the night and not be able to go back to sleep.... I used to wake up in the middle of the night and not be able to go back to sleep. GutSupp has changed that - since I started taking it with my tea I sleep through the night, waking refreshed and energised.

I really love GutSupp

As a sufferer of IBS, this is the only prebiotic I can take and it's really helped me to feel so much better. I tried all the other prebiotics and they just gave me stomachaches and diarrhea. Not this one. I really love GutSupp. As a sufferer of IBS, this is the only prebiotic I can take and it's really helped me to feel... As a sufferer of IBS, this is the only prebiotic I can take and it's really helped me to feel so much better. I tried all the other prebiotics and they just gave me stomachaches and diarrhea. Not this one. I really love GutSupp.

Gut improvement obvious on day 9

I'm on day 9 of my first purchase of GutSupp. Impressed so far. I'm a really restless sleeper and wake several times a night but my sleep has improved significantly since starting the supplement. I am also someone who suffers from constipation and have had no problems at all since starting GutSupp. My internal plumbing has been working perfectly! Looking forward to seeing how this develops over the coming months. I'm on day 9 of my first purchase of GutSupp. Impressed so far. I'm a really restless sleeper and wake... I'm on day 9 of my first purchase of GutSupp. Impressed so far. I'm a really restless sleeper and wake several times a night but my sleep has improved significantly since starting the supplement. I am also someone who suffers from constipation and have had no problems at all since starting GutSupp. My internal plumbing has been working perfectly! Looking forward to seeing how this develops over the coming months.

they are great

Ive had sleeping problems for many years and one night/early morning i saw a program on television which included someone taking gutsupp. I also was having problems with my stomach. I went out the next day to look for some, when i got home i started straight away. After the first week or so I noticed how much better my sleep was. I have been taking gutsupp for years now and would not be without it. Ive had sleeping problems for many years and one night/early morning i saw a program on television which included someone... Ive had sleeping problems for many years and one night/early morning i saw a program on television which included someone taking gutsupp. I also was having problems with my stomach. I went out the next day to look for some, when i got home i started straight away. After the first week or so I noticed how much better my sleep was. I have been taking gutsupp for years now and would not be without it.

Worked wonders

I regularly suffered with an uncomfortable & bloated stomach which went on for several weeks but since taking GutSupp regularly these symptoms are a rare occurrence. I regularly suffered with an uncomfortable & bloated stomach which went on for several weeks but since taking GutSupp regularly... I regularly suffered with an uncomfortable & bloated stomach which went on for several weeks but since taking GutSupp regularly these symptoms are a rare occurrence.

Half a sachet then full sachet

Myself and my wife started with half a sachet each morning for a week then moved to 1 sachet a day and found that after 2 weeks or so my indigestion and wind pain at night has all but gone and we both seem to be much more regular as well, would highly recommend this product to anyone who suffers from indigestion or bloating. Myself and my wife started with half a sachet each morning for a week then moved to 1 sachet a... Myself and my wife started with half a sachet each morning for a week then moved to 1 sachet a day and found that after 2 weeks or so my indigestion and wind pain at night has all but gone and we both seem to be much more regular as well, would highly recommend this product to anyone who suffers from indigestion or bloating.

Excellent product

I feel so much better since taking GutSupp. I have more energy and don't feel so tired even after working long shifts in a NHS hospital. I feel so much better since taking GutSupp. I have more energy and don't feel so tired even after working... I feel so much better since taking GutSupp. I have more energy and don't feel so tired even after working long shifts in a NHS hospital.

Definite improvement

I have been using GutSupp daily for the past month - really good results. Have helped with previously sick tummy, but now feel so much better, with my energy levels increased. I have been using GutSupp daily for the past month - really good results. Have helped with previously sick tummy,... I have been using GutSupp daily for the past month - really good results. Have helped with previously sick tummy, but now feel so much better, with my energy levels increased.

Perhaps a little less stress

My husband thinks I'm a little brighter. It has been a very busy month and there have been difficult situations and conversations. I have felt more calm, even and happy emotionally. I've not had a cold (the kids and husband had several) and that's quite usual for me too. I've been more 'zen' through it all. My husband thinks I'm a little brighter. It has been a very busy month and there have been difficult situations... My husband thinks I'm a little brighter. It has been a very busy month and there have been difficult situations and conversations. I have felt more calm, even and happy emotionally. I've not had a cold (the kids and husband had several) and that's quite usual for me too. I've been more 'zen' through it all.

Definitely a keeper

The effects of the product itself are outstanding. I feel more energised, experience an overall better mood and wake up early and refreshed. After trying all sorts of vitamins and supplements over the years, a prebiotic like this one is definitely going to remain part of the daily routine. The effects of the product itself are outstanding. I feel more energised, experience an overall better mood and wake up... The effects of the product itself are outstanding. I feel more energised, experience an overall better mood and wake up early and refreshed. After trying all sorts of vitamins and supplements over the years, a prebiotic like this one is definitely going to remain part of the daily routine.

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A few final questions, answered

Suitability, orders and the support that comes with them.

GutSupp is vegetarian and gluten-free. It is derived from milk and contains milk, so it is not vegan or suitable for a milk allergy. Always check the current ingredients and allergen information on your pack.

B-GOS has been studied in people with IBS, but tolerance and symptoms vary. Ask your GP or registered dietitian whether it suits you, particularly if you follow a low-FODMAP diet. During pregnancy or breastfeeding, check with your midwife, GP or pharmacist before starting a supplement.

GutSupp is tasteless. Mix one sachet daily into your usual hot or cold drink, yoghurt, porridge or other food. Follow the directions on your pack.

Everyone responds differently. Consistent daily use matters, but there is no fixed deadline for noticing a change. Follow the pack directions. If symptoms persist or worsen, speak to a healthcare professional.

Your full selected supply arrives together: 30 sachets in 1 box, 90 in 3 boxes or 180 in 6 boxes. A 3-box order includes a free travel mug; a 6-box order includes a free travel mug and electric whisk. These starter gifts apply to subscriptions and single purchases. A 1-box order has no gifts, and gifts do not repeat on renewals.

You pay for your full selected supply when you order. A one-time purchase is charged once. A subscription renews at the price and interval shown for your selection and at checkout. Daily prices help you compare options; they are not daily charges.

Yes. Use Manage Subscription to manage your plan, or email hello@gutsupp.com. Make changes before the next payment is taken. If a payment has already been taken, contact us promptly so we can check whether the order can still be stopped.

Subscriptions include free tracked UK delivery. For one-time purchases, delivery is £3.50 or free on orders over £40. Checkout confirms the delivery options for your address.

If you do not feel noticeable improvements, email hello@gutsupp.com within 60 days of receiving your order, with your order number or proof of purchase. The guarantee covers opened and tried GutSupp products bought directly from gutsupp.com. You do not need to return used or empty sachets.

A guarantee claim does not automatically cancel a subscription. Read the full guarantee details.

GutSupp Daily Digestive Supplement GutSupp

Try GutSupp for 60 days, risk-free

Most customers see results in 2-4 weeks. If you do not feel noticeable improvements within 60 days, simply email us and we will give you a full refund.

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