Australian prebiotics ยท Clinical results
Your gut,
rebuilt daily.
12 clinically-studied strains. 10 billion CFU at end-of-life. One 7-second ritual backed by Australian sugarcane science.
50,000+ Australians started their ritual this year

The range ยท Essential + Pro
Why you're reading this
You've tried the
podcast's favourite.
You've tried the pharmacy multi with the busy label. You've tried the boutique probiotic in the $60 glass jar. You still feel what you felt on Monday.
The problem isn't you. Most gut products are built backwards โ a handful of bacteria sprinkled over a cheap carrier that starves them before they get anywhere useful.
We built Kfibre in the opposite direction: feed first, then seed.
The formula
Built on Australian
sugar cane. That matters.
Most probiotics ship live bacteria into a gut with nothing to eat. We grow the food source first โ a long-chain prebiotic from Bundaberg cane โ and pair it with strains that actually use it.
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Australian sugar-cane prebiotic
Not a filler โ the fuel. Extracted from Queensland sugar cane as a long-chain GOS fibre that reaches the large intestine intact and feeds beneficial bacteria already living there.
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Twelve live strains
Ten billion CFU per serve at end-of-life, not at manufacture. Includes L. rhamnosus GG, B. lactis HN019, L. plantarum 299v and nine others โ each with human RCT evidence.
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Nothing else
No stevia, no rice maltodextrin, no added vitamins pretending to be features. If it's not feeding or seeding your microbiome, it's not in the tub.

The ritual
How it works
Seven seconds. That's all it takes to change your gut health trajectory.
Scoop
One teaspoon into your morning coffee, smoothie, or water. No blender required.
Stir
Dissolves completely. No clumps. No grit. Neutral hides in anything.
Feel
Notice the difference in 3-5 days. Regular, comfortable digestion becomes your new normal.
Not sure which format is right for you?
Take the 30-second quizThe daily ritual
Seven seconds. Thirty mornings. One habit.
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Scoop
One level 5g scoop. Same time each morning, or whenever works โ consistency matters more than the clock.
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Stir
Into water, a cold brew, or over your porridge. No blender, no shaker bottle, no ritual theatre.
- 03
Swallow
Seven seconds. The prebiotic carries the strains intact past your stomach acid to where they actually work.
Credentials
Not a wellness story.
A supply chain.
- MONASH
Low FODMAP certified
Every batch tested and certified by Monash University's FODMAP program โ no bloat from the thing meant to fix the bloat.
- TGA
Listed in the ARTG
Manufactured in a TGA-licensed Australian facility. Listing number on every tub.
- RCT
Evidence-backed strains
Every strain has at least one human randomised controlled trial behind it. No novel / unstudied organisms.
- ISO
Cold-chain tested
Stability tested from Brisbane to Darwin to London. 10 billion CFU arrives live โ not just on the label.
What the tub is doing
For the people using it.
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โI've tried every probiotic on the shelf. Two weeks in on Kfibre and it's the first time 'feel the difference' wasn't marketing bullshit.โ
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โThe Low FODMAP certification sold me โ I've got IBS and most gut products make it worse. This one actually doesn't.โ
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โNeutral flavour is genuinely neutral. Mix into coffee, into water, into the kids' smoothie, no argument from any of them.โ
Questions
Before you buy.
If we haven't answered it here, email hello@purebio.me โ a real human replies, usually within 4 business hours.
- Most probiotics ship live bacteria with nothing for them to eat. Stomach acid kills a large fraction before they reach the colon. We pair 12 live strains with a long-chain Australian sugar-cane prebiotic that reaches the large intestine intact โ feeding both the strains we send and the bacteria already living there.
One tub. Thirty mornings.
Start the ritual
tomorrow morning.
Free delivery in Australia over A$99. 30-day money-back guarantee. No subscription auto-trap โ you buy when you need the next tub.