Restore what's
missing
Trust your gut - a complete formula centred on fibres,
42 billion live bacteria, enzymes and micronutrients.
Trust your gut - a complete formula centred on fibres, 42 billion live bacteria, enzymes and micronutrients.
Shop Tumble
Here's why most supplements do nothing
Here's why most
supplements do nothing
Formulation matters. Most supplements aren’t designed to work together.
Cheap ingredients, poor formulation and lack of testing lead to inconsistent results.
We take a very different approach.
1200+ scientific
studies
Engineered as a
complete system
Formulated by
chemists
Independently tested
for quality
1200+ scientific
studies
Engineered as a complete system
Formulated by
chemists
Independently
lab tested
Superb quality
It’s all really good quality, from the packaging to clearly whats in it.
I’ve stopped taking a bunch of things now and think I probably didn’t have the cleanest vitamins as they were all off amazon.
Really impressed with it, not cheap stuff I'm used to, probably about the same price as all the other stuff I was taking before though.
Sam M.
Verified Review
Noticed a real difference from food
I react badly to a lot of what I eat and have definitely noticed a difference already. Seem to feel quite a lot better overall in myself.
Ella D.
Verified Review
Energy!!
I cannot believe the change in my energy throughout the day, especially after lunch when my brain normally decided it’s bed time. Packaging is really nice and it’s clearly well thought through.
Only on my 3rd month at the moment, but still noticing new changes. Feel good.
Oscar B.
Verified Review
Food is much easier on me
I have trouble metabolising a lot of the food I eat and have tried every jab and pill out there, really happy with these, only on my 5th month at the moment but have found things are really much more settled and the journey is going well.
Jess M.
Verified Review
For my husband
I got these for my husband as he does not have the best diet or lifestyle.
He seems to be in better spirit, his skin is looking clearer lately, and overall seems more like himself.
Very happy it made a difference to his happiness, skin and feeling more like himself.
Julie V.
Verified Review
Feel fantastic
Ive only taken a few weeks worth but feel generally fantastic, very good results. Also we had (far) too much wine last Friday and I popped a couple of these in the morning and felt genuinely 9/10 by lunchtime no idea why
Fiona I.
Verified Review
Helped me study!
Used these in my uni exams and found they made an enormous difference to how long I could concentrate for and how long I had energy for, definitely a subscription worth having in my eyes
Robyn C.
Verified Review
IBS and normally react to everything
Had IBS pretty much since I left school, and I tend to react to pretty much anything new, but these were completely fine for me. No problems at all. Would recommend. 10/10
Carole M.
Verified Review
Tumble bacteria review
This is my 5th month using Tumble and the difference has been very noticeable.
It took a couple of months before things became quite obvious, I also feel like my immune system is doing what it should.
I’m less tired and just generally feel like my body is handling things much more manageably.
Katie E.
Verified Review
Better relationship with what I eat
I tried keto, paleo, vegan, carnivore etc and was always overthinking food. Now I just eat a generally healthy diet and don’t worry about it as much.
I can’t thank you enough for this. Subscribed monthly for myself and my partner.
Cal M.
Verified Review
So glad I found this
Replaced literally everything I used to take as they just weren’t doing much, never taken anything like it. Recommend it to all of my friends and love how good quality it all is. Clearly really care about what they do and I have noticed such an improvement in myself.
You have a customer for life in us :)
Niamh O.
Verified Review
PCOS experience
I have PCOS so I’m quite picky with supplements, but these have been absolutely fine for me and really easy to take consistently. I sprinkle them in my cereal… tastes a bit like orange.
Hannah J.
Verified Review
Highly recommend
I was highly recommended tumble by my son as I have constant complaints of my body, I would recommend them to anyone I feel a lot more put together and my inflammation is noticeably more settled. Will keep taking them!
Marianne T.
Verified Review
It's all I take now
I don’t normally write reviews but I have been so chuffed with the results. I decided to stop taking all the stuff I was taking before and give this a go and genuinely cannot believe the difference. I spend less, eat less pills, and can really tell a massive difference. I may also take Iron at some point as I think I am low, but I will get this checked. Couldn’t be happier, turns up every month like clockwork.
Yasmin G.
Verified Review
Nutritionist-backed
Becca is our in-house nutritionist, backing our fomulation and providing personalised nutritional coaching plans to our customers.
We also have clinical dietitans, chemists, doctors and more.
We also have clinical dietitans, chemists, doctors and more.
Meet the team
42 billion CFU of researched strains.
Inulin and FOS to complement live cultures.
Targeted enzyme layer.
Including vitamin D, B vitamins and selenium.
One formula, no internal competition.
42 billion live bacteria, 11 strains
This is what we're all about, potent live bacteria, supported by other ingredients.
Bacterial species
Colony Forming Units
Colony Forming
Units
Lactobacillus acidophilus
7.72 Billion CFU
7.72 Billion
Streptococcus thermophilus
5.84 Billion CFU
5.84 Billion
Bifidobacterium animalis
5.62 Billion CFU
5.62 Billion
Bifidobacterium longum
3.86 Billion CFU
3.86 Billion
Lactobacillus plantarum
3.59 Billion CFU
3.59 Billion
Bifidobacterium infantis
3.47 Billion CFU
3.47 Billion
Bifidobacterium bifidum
2.96 Billion CFU
2.96 Billion
Lactobacillus reuteri
2.84 Billion CFU
2.84 Billion
Lactobacillus rhamnosus
2.84 Billion CFU
2.84 Billion
Lactobacillus casei
2.10 Billion CFU
2.10 Billion
Bifidobacterium breve
2.04 Billion CFU
2.04 Billion
To consume this much live bacteria, you would need 420 grams of Kimchi or Saerkraut, or 4.2L of Kombucha every day.
Tumble is potent, convenient, and formulated for real results.
See our full formulation here.
Exclusively manufactured in the UK.
Green smoothies were never going to work...
Green smoothies were never
going to work...
Most supplements fail before they even start working.
Stacking creates overlap. All-in-one formulas spread too thin - chasing everything, delivering little. Both miss the point. Ours is built differently - formulated specifically for the body's internal systems. For daily support, steady energy, and supporting normal metabolism.
Most supplements fail before they even start working.
Stacking creates overlap. All-in-one formulas spread too thin - chasing everything, delivering little. Both miss the point. Tumble is built differently - only what matters, carefully proportioned to work together.
For daily support, steady energy, and supporting normal metabolism.
Gut lining support
Riboflavin and niacin contribute to normal
membranes, supporting your gut lining.1
Immune defence
Vitamin D, selenium and B12 contribute to immune function, helping keep you resilient.3
Sustained energy
Vitamin B12 and riboflavin help reduce tiredness,
supporting energy without the afternoon crash.2
Mental performance
Niacin and vitamin B6 contribute to psychological
function, helping you stay focused and clear.4
Metabolic support
Biotin and vitamin B1 contribute to metabolism,
supporting how your body works with food.5
Skin, hair & nails
Vitamin C from citrus fruits and minerals like zinc
support your immune function.6
Evidence-based supplementation.
94%
Reported calmer
metabolism 5
Reported calmer metabolism
98%
Reported consistent
energy 2
Reported consistent energy
92%
Reported better
focus 4
Reported better focus
Based on 52 surveys of customers taking Tumble for at least 60 days.
Years of research
went into this
Our formula took years to formulate, obsessing over interaction and absorbtion.
We created Tumble as a solution to all the noise.
Supplements compete. If all ingredients ingested are not chemically formulated to function as one, they won't.
Every batch is tested upon production, and results are verified independently.
There is no requirement in the UK to do any of this. Most companies don't.
Manufactured in a GMP certified clean-room facility with HACCP safety systems.
We exclusively manafacture in the UK, above and beyond the current legal and industry standards.
Our formula evolves with the latest clincal research.
We have chemists continually reviewing the latest clinical and academic findings to ensure our formula is always built on the best information science has to offer.
Designed for daily use
Our jar protects live cultures from UV and oxygen exposure, made from sustainable glass and bamboo.
Supplements you don't
need to buy anymore
Supplements you don't need to buy anymore
These are already built into Tumble - each included in precise amounts, based on how they absorb and interact when combined.
Not separate pills, and not a multivitamin, our ingredients work together.
Live bacteria
Enzymes
Vitamin D3
B Vitamins
Vitamin E
Folic Acid
Selenium
Biotin
Nobody liked taking loads of pills anyway.
Backed by science
Clinically trialled ingredients, based on 1200+ studies, formulated by experienced chemists.
Personalised nutrition coaching
Work one-to-one with Tumble’s registered nutritionist for deeply personalised coaching.
Becca works to uncover the root causes behind your symptoms - with tailored support built around your body, lifestyle, routine and long-term health goals.
We also have clinical dietitans, chemists, doctors and more.
Explore coachingThe importance of a healthy microbiome
Clinically trialled ingredients, based on 1200+ studies, formulated by experienced chemists.
DIGESTION
IMMUNITY
SKIN
BRAIN
HORMONES
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Food supplements should not be used as a substitute for a varied, balanced diet and healthy lifestyle. Do not exceed the recommended daily intake. Keep out of reach of children. If pregnant, breastfeeding, taking medication, or under medical supervision, consult a healthcare professional before use. Store in a cool, dry place away from direct sunlight.
© 2026 Tumble.
Potential Adjustment Effects:
Most of what you will notice are positive changes to your metabolism, immune system, energy, skin and overall wellbeing.
So don't panic if your body goes through an adjustment period as it adapts to our formulation.
Bright yellow wee: Totally harmless and normal for many, happens for the same reason as Berocca. This is due to our high vitamin B2 (riboflavin) content. Like all B vitamins, any excess is naturally excreted once your body has absorbed what it needs.
Digestive changes/bloating: No cause for concern. Our formula is potent and comprehensive — your body may take time to adjust to our live cultures, fibres, enzymes and micronutrients. Reducing your dose temporarily may help.
Mild digestive sensitivity: Some individuals may experience mild discomfort when first starting. This typically resolves quickly. Simply halve your dose until you have adjusted.Changes in digestive patterns: Temporary changes in frequency or consistency can occur as your system adapts.
Allergen information:
Contains: Gluten (Wheat).
Scientifically recognised nutrient contributions:
Gut
1. Riboflavin contributes to the maintenance of normal mucous membranes (e.g. intestinal mucosa). Biotin contributes to the maintenance of normal mucous membranes (e.g. intestinal mucosa).
Energy
2. Riboflavin, thiamine, vitamin B6, vitamin B12 and biotin contribute to normal energy-yielding metabolism. Riboflavin, vitamin B6 and vitamin B12 contribute to the reduction of tiredness and fatigue.
Immunity
3. Vitamin D, vitamin B6, vitamin B12 and selenium contribute to the normal function of the immune system.
Brain
4. Thiamine, riboflavin, vitamin B6, vitamin B12 and biotin contribute to normal psychological function and the normal functioning of the nervous system.
Metabolism
5. Biotin contributes to normal macronutrient metabolism. Vitamin B6 contributes to normal protein and glycogen metabolism. Riboflavin contributes to the normal metabolism of iron. Vitamin B6 contributes to normal cysteine synthesis.
Skin, Hair & Nails
6. Biotin contributes to the maintenance of normal skin and hair. Riboflavin contributes to the maintenance of normal skin. Selenium contributes to the maintenance of normal hair and nails.
Hormonal Activity
7. Vitamin B6 contributes to the regulation of hormonal activity.
Cell Devision & Blood Formation
8. Vitamin B12 contributes to normal red blood cell formation and has a role in the process of cell division. Vitamin B6 contributes to normal red blood cell formation. Vitamin D has a role in the process of cell division.
Heart & Homocysteine Metabolismal
9. Thiamine contributes to the normal function of the heart. Vitamin B6 and vitamin B12 contribute to normal homocysteine metabolism.
Bones, Teeth & Muscle Function
10. Vitamin D contributes to the maintenance of normal bones, teeth and muscle function, to normal blood calcium levels and to normal absorption/utilisation of calcium and phosphorus.
Thyroid & Reproductive Health
11. Selenium contributes to normal thyroid function and normal spermatogenesis.
Protection of Cells
12. Riboflavin, vitamin E and selenium contribute to the protection of cells from oxidative stress.