
Oshun Health’s Improved Pro32 Probiotics Explained
What makes the improved Oshun Health Pro32 different from a conventional probiotic?
The improved Pro32 Probiotic combines a broad soil-based live-culture approach with butyrate-producing species, Bifidobacterium, Lactobacillus and the prebiotic fibre inulin.
The aim is not simply to add more probiotic strains to the gut. It is to provide a combination of microorganisms and a prebiotic substrate that can support a more diverse microbial ecosystem and the production of beneficial microbial metabolites such as short-chain fatty acids (SCFAs), including butyrate. At Oshun Health we aim for balance rather than forced colonisation of the gut through high numbers of CFU’s (colony forming units) of single probiotic strains.
But there is an important point worth making upfront:
A probiotic does not automatically “fix” the microbiome, and taking Pro32 does not guarantee a specific increase in butyrate or a particular health outcome. Gut microbiomes are highly individual, and the response to probiotics depends on factors including diet, existing microbial composition, lifestyle and the specific strains used.
That is why we believe in setting realistic expectations.
What is Pro32 Probiotics?
Pro32 is a liquid live-culture probiotic formulation developed around a broader ecological approach to gut health.
The improved formulation retains the soil-based cultures found in the original Pro32 while adding:
- Butyrate-producing microorganisms
- Bifidobacterium adolescentis
- Bifidobacterium longum
- Lactobacillus rhamnosus
- Lactobacillus acidophilus
- Inulin, a prebiotic fibre
These components have different roles.
Rather than thinking of a probiotic as a collection of isolated organisms that simply need to “colonise” the gut, it can be more useful to think of the microbiome as an ecosystem.
Different microorganisms interact with one another, compete for nutrients, produce metabolites and create conditions that influence other members of the microbial community.
This is particularly relevant when we talk about butyrate.
Why is butyrate important?
Butyrate is a short-chain fatty acid produced by gut microorganisms when they ferment certain carbohydrates and fibres.
It is one of the three major SCFAs produced by the gut microbiome, alongside acetate and propionate. Butyrate is particularly important because it serves as a major energy source for cells lining the colon and is involved in maintaining intestinal barrier function and regulating aspects of immune and metabolic signalling.
Research has associated adequate microbial butyrate production with several important aspects of intestinal physiology, including:
1. Supporting the intestinal barrier
The cells lining the colon use butyrate as an important energy source. Butyrate is also involved in pathways that help maintain epithelial integrity and the intestinal environment.
This is one reason butyrate-producing bacteria have attracted so much attention in microbiome research.
2. Supporting a healthy microbial environment
Butyrate is not simply a nutrient for human cells. It also influences the environment in which intestinal microorganisms live.
Butyrate metabolism contributes to oxygen consumption by colon cells, helping maintain the low-oxygen conditions characteristic of a healthy colon. This can influence microbial ecology and the behaviour of other microorganisms.
3. Supporting immune regulation
Butyrate acts as a signalling molecule and can influence immune pathways, including regulatory T-cell activity and other mechanisms involved in maintaining intestinal immune balance.
This does not mean that taking a butyrate-supporting probiotic prevents infections or treats an inflammatory disease. It means that butyrate is one of the metabolites involved in the complex relationship between the microbiome and the immune system.
4. Supporting metabolic function
SCFAs are involved in communication between the gut microbiome and the host’s metabolic systems. They can influence energy metabolism, gut hormones and other signalling pathways.
This is an area of active research, rather than a reason to view Pro32 as a treatment for metabolic disease.
What does “butyrate-producing” actually mean?
This is an important distinction.
Butyrate is produced by particular microorganisms through microbial fermentation.
Bifidobacterium and Lactobacillus are valuable members of the gut microbiome, but they should not simply be described as the main butyrate-producing bacteria.
Instead, these organisms can participate in cross-feeding relationships within the microbiome.
In simple terms, one microorganism can produce metabolites that another microorganism uses as a substrate. This interconnected process can contribute to the production of SCFAs, including butyrate. Current microbiome research increasingly recognises that these microbial networks can be more important than looking at individual strains in isolation.
This is one reason the improved Pro32 formulation combines different microbial groups rather than focusing on a single probiotic strain.
The role of Bifidobacterium and Lactobacillus
The improved Pro32 formula includes four well-known probiotic species:
Bifidobacterium adolescentis
B. adolescentis is a member of the Bifidobacterium genus naturally associated with the human intestinal microbiome. Bifidobacteria are important fermentative organisms that interact with dietary carbohydrates and other microorganisms.
Bifidobacterium longum
B. longum is another well-studied member of the Bifidobacterium genus. Bifidobacteria can contribute to carbohydrate fermentation and microbial cross-feeding within the gut ecosystem.
Lactobacillus rhamnosus
L. rhamnosus is widely studied as a probiotic organism. Its effects are strain-specific, but members of this group can interact with the intestinal environment and other microorganisms.
Lactobacillus acidophilus
L. acidophilus is another established probiotic species associated with the gastrointestinal microbiome and fermentation of dietary substrates.
The important point is that the presence of these organisms does not guarantee a particular clinical effect.
Probiotic effects are highly strain- and context-dependent. The same species can behave differently depending on the specific strain, dose, formulation and characteristics of the person taking it.
Why add inulin?
The improved Pro32 formulation also contains inulin, a type of prebiotic fibre.
This is an important difference between a probiotic and a synbiotic-style approach.
A probiotic provides microorganisms.
A prebiotic provides a substrate that selected microorganisms can use.
Inulin is fermented by gut microorganisms and has been shown in research to influence microbial composition and SCFA production, including supporting increases in beneficial Bifidobacterium populations in some settings.
In other words:
Probiotics provide microorganisms.
Prebiotics provide microbial food.
The microbiome converts substrates into metabolites.
That is the basic idea behind combining live cultures with inulin.
What makes soil-based probiotics different?
The term soil-based probiotic generally refers to microorganisms associated with soil environments, often including spore-forming organisms such as members of the Bacillus group.
Some spore-forming microorganisms have an important practical characteristic: their spores can be considerably more resistant to environmental stresses than vegetative bacterial cells. This is one reason spore-forming probiotics have attracted attention in probiotic research and commercial formulations.
However, “soil-based” should not automatically be interpreted as “better”.
Not every microorganism found in soil is suitable for human consumption, and probiotic effects are strain-specific.
The value of a soil-based component therefore lies in the particular microorganisms used and how they function within the formulation—not simply in the fact that they originated from soil.
Pro32 and the microbiome: think ecosystem, not replacement
One of the biggest misconceptions about probiotics is that taking a probiotic means that the new bacteria will simply move into the gut, permanently colonise it and replace undesirable organisms.
The human microbiome is considerably more complicated.
It is a dynamic ecosystem influenced by:
- Diet
- Fibre intake
- Existing microbial communities
- Antibiotic exposure
- Stress
- Sleep
- Exercise
- Age
- Health status
- Medications
- Alcohol consumption
- Other environmental factors
A probiotic therefore shouldn’t be viewed as a way of completely replacing someone’s existing microbiome.
A more realistic way to think about Pro32 is as microbial support within an existing ecosystem.
Can Pro32 help with ketosis?
This is where some clarification is important.
Butyrate and ketosis are related to energy metabolism, but butyrate itself is not the same thing as nutritional ketosis.
Nutritional ketosis occurs when the body increases its production of ketone bodies, primarily because carbohydrate availability and insulin signalling shift the body’s fuel metabolism towards greater fat utilisation.
Butyrate is a short-chain fatty acid produced by gut microorganisms. It can influence metabolic signalling and energy metabolism, but taking a probiotic should not be presented as a direct way to put someone into ketosis.
So why include ketosis support in the Pro32 discussion?
Because the gut microbiome participates in metabolic adaptation, and microbial fermentation produces metabolites that interact with host energy metabolism.
For someone following a ketogenic or low-carbohydrate diet, maintaining a healthy gut ecosystem remains important—particularly because dietary changes can significantly alter the types and amounts of carbohydrates and fibres reaching the colon.
Pro32 can therefore be considered a microbiome-supporting component of a ketogenic lifestyle, rather than a “ketosis supplement”.
That distinction matters.
What should you realistically expect when starting Pro32?
Probiotics don’t necessarily produce an immediate or dramatic sensation.
Some people notice changes in digestion relatively quickly. Others notice little difference at first.
And sometimes the first change isn’t particularly pleasant.
Temporary bloating or gas can occur
Introducing microorganisms and fermentable prebiotic fibre can alter fermentation patterns in the gut.
Some people may experience temporary:
- Bloating
- Gas
- Changes in bowel movements
- Mild abdominal discomfort
These effects may settle as the gut adapts, although they should not simply be ignored if they are severe or persistent.
Oshun Health therefore recommends introducing Pro32 gradually rather than assuming that a larger dose will produce a better result.
How to introduce Pro32
The product protocol recommends taking Pro32 on an empty stomach.
Initial protocol
Start with 2 × 15 ml doses per day.
After two weeks:
Reduce to 1 × 15 ml per day for maintenance.
For ongoing gut-health support:
3–4 doses per week may be used according to the product protocol.
If you experience discomfort, start lower—for example, 5 ml per day—and increase gradually.
If symptoms occur, reduce the amount or pause temporarily. When restarting, begin with 2.5 ml and increase slowly according to tolerance.
An important point
More is not necessarily better.
A higher probiotic dose does not automatically mean a greater benefit. Your response is individual, and tolerance should guide the pace at which you increase the dose.
Can Pro32 be used during illness or stress?
The current Oshun Health product protocol includes a higher-dose recommendation during periods of illness, fatigue or stress.
However, this should be understood as product-use guidance rather than a claim that Pro32 treats illness or replaces medical care.
If you are experiencing significant or persistent symptoms, particularly if you have an underlying medical condition, speak to a qualified healthcare professional.
What Pro32 can—and cannot—promise
At Oshun Health, we believe probiotic marketing should be more honest about what we know.
What we know
The gut microbiome is an important biological ecosystem.
Microorganisms produce metabolites such as acetate, propionate and butyrate that interact with the intestinal lining, immune system and metabolic pathways.
Butyrate is particularly important to the physiology of the colon.
Prebiotic fibres such as inulin can influence microbial fermentation and the abundance of particular bacterial groups.
Spore-forming microorganisms have properties that can make them particularly robust as probiotic ingredients.
What we cannot promise
A probiotic cannot guarantee that it will:
- “Reset” your microbiome
- Permanently colonise your gut
- Cure digestive disease
- Eliminate inflammation
- Heal “leaky gut”
- Prevent infections
- Cause weight loss
- Put you into ketosis
- Produce the same result for everyone
These outcomes depend on much more than taking a probiotic.
The goal should be to support the ecosystem—not to promise to control it.
Why Oshun Health changed Pro32
The improved Pro32 formulation was developed to broaden the microbial and prebiotic components of the original Pro32.
The new formulation brings together:
Soil-based live cultures
↓
Bifidobacterium + Lactobacillus
↓
Butyrate-producing microorganisms
↓
Inulin as a prebiotic substrate
↓
Microbial fermentation and metabolite production
This reflects a more ecological way of thinking about the microbiome.
Rather than focusing only on the number of probiotic strains or CFUs on a label, the question becomes:
What are these microorganisms doing, what are they interacting with, and what metabolites can they produce?
That is a much more interesting question—and one that modern microbiome science is increasingly exploring.
Frequently Asked Questions
1. What is the philosophy that underpins Pro32 Probiotics?
Most conversations about the gut microbiome focus on which bacteria are present.
At Oshun Health, we believe an equally important question is:
What kind of environment allows microorganisms to thrive and function?
This is the ecological philosophy behind Pro32 Probiotics. We view the gut as a living ecosystem, rather than simply a collection of individual bacterial strains.
Our approach is built around three principles:
1. Terrain before organisms
A healthy microbiome exists within a biological environment—or terrain.
This includes factors such as:
- pH
- Nutrient availability
- Microbial signalling
- Metabolite concentrations
- Oxygen gradients
- The mucus environment
- Immune interactions
- Microbial diversity
These factors influence which microorganisms can survive, interact and function within the gut.
Rather than focusing only on introducing particular organisms, our approach considers how the environment itself influences microbial activity and ecological balance.
2. The microbiome is more than CFUs
Microorganisms are only one part of the microbiome story.
Microbial ecosystems also produce and interact through:
- Metabolites
- Enzymes
- Peptides
- Signalling molecules
- Cell components
- Postbiotics
These products of microbial activity can have important biological effects.
This is why simply counting living organisms does not necessarily tell us everything about what a microbial formulation can do.
3. Support the ecosystem, not individual species
Rather than assuming that more of a particular bacterial strain is automatically better, Pro32 is based on the idea of supporting microbial diversity, functional resilience, ecological balance and the metabolome.
This reflects an ecological approach to microbiome science: microorganisms do not exist in isolation. They interact with one another, with their environment and with the host.
In simple terms, we are interested not only in which microorganisms are present, but in the relationships between microorganisms, their environment and the metabolites they produce.
From this perspective, health can be viewed as an emergent property of the interaction between the host, microbiome, metabolome and biological terrain.
This ecological perspective is an important part of the thinking behind Pro32.
2. Why isn’t a high CFU count necessarily a measure of a better probiotic?
CFU ,colony-forming units, has become one of the most familiar ways of describing probiotic products.
It is therefore easy to assume:
More CFUs = a better probiotic.
But it is not that simple.
CFU measures the number of microorganisms capable of forming visible colonies under particular laboratory culture conditions. It is a useful measurement, but it does not capture every aspect of a complex microbial formulation.
Depending on the organisms and formulation, conventional culture-based CFU measurements may not fully represent:
- Spores: some spore-forming microorganisms may exist in a dormant state and germinate under appropriate conditions.
- Dormant or viable-but-non-culturable (VBNC) organisms: some microorganisms may remain viable but not readily form colonies under the specific laboratory conditions used for testing.
- Microbial aggregates and communities: microorganisms can exist in groups or within protective matrices rather than as freely separated individual cells.
- Microbial metabolites and postbiotic components: enzymes, peptides, organic acids and other microbial products are not represented by a CFU number at all.
This leads to an important distinction:
CFU measures colony-forming capacity under defined test conditions—not the total biological activity of a microbial ecosystem.
That does not mean CFU is meaningless. It remains an important quality-control measurement for many probiotic products.
The point is that CFU is one measurement, not the whole story.
For Pro32, we therefore believe CFU should be considered alongside the nature of the microorganisms, their functional characteristics, the formulation, the fermentation environment and the microbial metabolites associated with the product.
As microbiome science develops, the conversation is gradually moving beyond simply asking:
“How many microorganisms are present?”
towards a broader question:
“What are these microorganisms capable of doing, how do they interact, and what biological functions do they support?”
That distinction is central to the ecological philosophy behind Oshun Health’s Pro32 Probiotics.
3. Is Pro32 a soil-based probiotic?
Yes. The improved Pro32 retains the soil-based live cultures from the original Pro32 formulation and combines them with additional microbial groups, including Bifidobacterium, Lactobacillus and butyrate-producing microorganisms.
4. Does Pro32 contain butyrate?
Pro32 is formulated to support the microbial ecosystem involved in butyrate production. It should not be confused with a supplement containing a fixed dose of purified butyrate.
5. Do Bifidobacterium and Lactobacillus produce butyrate?
They are not generally regarded as the primary butyrate-producing bacteria. Their importance includes their interactions with other microorganisms and their participation in microbial fermentation and cross-feeding networks that can influence SCFA production.
6. What is the purpose of inulin in Pro32?
Inulin is a prebiotic fibre that provides fermentable substrate for gut microorganisms. It can support the growth and activity of certain beneficial bacteria, including Bifidobacterium, and can contribute to SCFA production.
7. Can Pro32 put me into ketosis?
No probiotic should be presented as a direct ketosis-inducing product. Pro32 may be used as part of a ketogenic lifestyle to support the gut microbiome, but nutritional ketosis primarily results from changes in carbohydrate availability and whole-body energy metabolism.
8. Can Pro32 cause bloating?
It can. Introducing probiotics and fermentable prebiotic fibres can temporarily alter fermentation in the gut, potentially causing gas or bloating. Starting with a smaller amount and increasing gradually may improve tolerance.
9. How long does Pro32 take to work?
There is no universal timeline. Individual responses to probiotics vary considerably. Some people notice digestive changes relatively quickly, while others may notice little obvious change.
10. Should everyone take a probiotic?
No. Probiotics are not necessary for everyone, and different formulations may be appropriate for different people. People with significant medical conditions, compromised immunity, or other specific health concerns should discuss probiotic use with a qualified healthcare professional.
The bottom line
Oshun Health’s improved Pro32 is designed around a simple idea: support the gut as an ecosystem rather than treating probiotics as isolated “good bacteria”.
The formulation combines soil-based live cultures with Bifidobacterium, Lactobacillus, butyrate-producing microorganisms and inulin.
Butyrate is particularly interesting because it is an important microbial metabolite that supports colonocyte energy metabolism and participates in intestinal barrier, immune and metabolic signalling.
At the same time, the science doesn’t justify promising that a probiotic will cure digestive problems, repair a microbiome, prevent disease or automatically produce ketosis.
A healthy microbiome is built through an ongoing interaction between microorganisms, diet and the host. Pro32 is intended to be one part of that ecosystem—not a magic solution.
A note from Oshun Health
Our approach is to develop whole-system nutritional products while being honest about what the science does and does not tell us.
The microbiome is extraordinarily complex. We are still learning how individual microorganisms interact, how microbial metabolites influence human physiology, and why two people can respond very differently to the same intervention.
For us, that uncertainty is not a reason to make bigger claims.
It is a reason to make more thoughtful products—and more honest ones.
Important safety information
Keep out of reach of children.
Pro32 has not been tested for safety during pregnancy.
Oshun Health products are not intended to diagnose, treat, cure or prevent disease. This information is provided for educational purposes and is not medical or healthcare advice. If you have a medical condition, take medication, are pregnant or breastfeeding, or have concerns about using probiotics, consult your physician or another appropriately qualified healthcare professional before use.


