Australia has a kombucha problem.
Not because consumers stopped believing in fermentation.
Not because functional beverages are declining.
But because major retailers allowed fundamentally inauthentic products to define the category. Over time, they shaped consumer expectations around what kombucha is, how it tastes, how it’s processed and how it should be priced... and now the category is dealing with the consequences.
As consumers become more educated, the category is paying the price.
For years, kombucha in Australia has drifted further and further away from what it traditionally was. And as consumers have started rejecting heavily processed, shelf-stable alternatives, many major retailers have responded not by supporting authentic kombucha, but by reducing shelf space altogether and reallocating it toward faster-growing adjacent categories like protein and hydration.
The problem isn’t declining consumer interest in fermentation.
It’s a category trust issue.
What Authentic Kombucha Actually Looks Like
Authentic kombucha producers like Two Boys Brew will produce approximately 1,000 litres of raw fermented kombucha before blending through around 100 litres of our own brewed botanical flavour extractions using ingredients like organic hibiscus flowers, chamomile, ginger, lemon myrtle, elderflower and jasmine.
We then package the product without heavily processing or altering it, allowing the fermentation to remain alive, raw and unpasteurised while retaining a small amount of residual sugar from the brewing process. The product must then remain refrigerated to prevent further fermentation.
This is fundamentally different to the “from concentrate” production model that now dominates much of the category.
Concentrate-based production typically involves brewing the same amount 1000 litres of kombucha for extended periods (sometimes 60+ days) creating a highly acidic vinegar-style base concentrate that is later diluted back with up to to 10,000 litres of water prior to packaging, dramatically reducing production costs and significantly increasing gross margin.
During this process, much of the active fermentation character traditionally associated with kombucha changes significantly.
To maintain "live culture" positioning, these brands then add shelf-stable probiotic spores that are unrelated to traditional kombucha fermentation itself. Sweeteners, flavours and functional ingredients are then added back in to recreate flavour profile and positioning.
The result is that products with fundamentally different production methods are often being presented to consumers under the same category banner.
And consumers are starting to notice.
Consumers Are Becoming More Educated
Consumers are no longer blindly accepting kombucha at face value.
They are reading labels more carefully. They are questioning processing methods. They are asking whether products are genuinely fermented, raw and alive, or simply designed to imitate the category.
And honestly, they should be.
This growing awareness is creating a major challenge for retailers and brands alike. Because when consumers lose trust in what a category represents, they don’t just reject individual products - they begin questioning the category itself.
That is exactly what kombucha is now facing.
The Industry Finally Has a Framework
The good news is there is finally a solution emerging.
An international framework known as the KBI Seal has now been developed to create greater transparency and clarity across the kombucha category. Importantly, it recognises three distinct classifications:
- Raw & Unprocessed
- Pasteurised
- From Concentrate
For the first time, there is now an internationally recognised benchmark helping both retailers and consumers distinguish between genuinely fermented kombucha and products that have been fundamentally altered through processing methods.
That matters because transparency builds trust.
And trust is ultimately what determines the long-term health of any category.
Retailers Now Hold the Power
As consumers turn away from heavily processed products, many retailers are treating this as a declining category issue rather than what it really is, a category trust issue.
Instead of supporting authentic kombucha and rebuilding consumer confidence with the right products, shelf space is increasingly being reduced and shifted toward newer trending categories such as protein and hydration.
In many ways, authentic kombucha producers never truly stood a chance competing against products built on fundamentally different economics, shelf stability and production methods while still being grouped together under the same category definition.
If authentic kombucha continues to be lumped in with heavily processed alternatives, retailers risk further eroding long-term consumer trust in kombucha altogether.
That should concern everyone invested in the future of gut health and functional beverages.
There Are Still Retailers Getting It Right
Credit where it’s due - some retailers are genuinely supporting category authenticity.
Harris Farm Markets has built a long-standing reputation for supporting a broad range of authentic raw kombucha brands. Over the past year, Metcash (IGA) through their independent network has also shown encouraging support for authenticity and genuine innovation within the category.
That kind of support matters because it gives consumers access to products that more accurately represent what kombucha traditionally was intended to be.
Where the Category Goes From Here
The future of kombucha should belong to brands that genuinely represent the category, not simply those that borrowed the language of fermentation while fundamentally changing the product itself.
The category now sits at a critical crossroads, and retailers will ultimately play a major role in determining what happens next.
Over the coming years, authenticity, transparency and internationally recognised standards may become the defining factors that determine which brands - and which retailers - earn long-term consumer trust.