Written by Lorraine English, BHSc Clinical Nutritional Medicine
Walk into any pharmacy or health food store and you’ll find hundreds of probiotic products, all claiming to improve gut health. The reality is that choosing a probiotic isn’t as simple as picking the one with the highest number of bacteria or the most strains.
At Wellness Zone Warwick, we believe gut health should be personalised. Understanding what is happening in your microbiome before selecting supplements can save time, money and often lead to far better health outcomes.
What Are Postbiotics?
Most people have heard of probiotics (the beneficial bacteria) and prebiotics (the fibres that feed them). A newer area of research is focusing on postbiotics.
Postbiotics are the beneficial compounds produced when healthy gut bacteria digest dietary fibre and other nutrients. Rather than being living bacteria themselves, postbiotics are the substances that your microbiome creates to keep you healthy.
These include:
- Short-chain fatty acids (particularly butyrate, acetate and propionate)
- Vitamins such as vitamin K and certain B vitamins
- Anti-inflammatory compounds
- Natural antimicrobial peptides
- Cell-signalling molecules that influence immunity and metabolism
Many researchers now believe that these compounds are responsible for many of the health benefits traditionally attributed to probiotics.
Why Are Postbiotics Important
Healthy levels of postbiotics help support many body systems, including:
- A stronger intestinal barrier (“leaky gut” protection)
- Reduced gut inflammation
- Better digestion and bowel regularity
- Immune system balance
- Blood sugar regulation
- Cholesterol metabolism
- Brain health through the gut-brain axis
- Improved energy production within gut cells
One of the most important postbiotics is butyrate, the primary fuel source for the cells lining the colon. Adequate butyrate production has been associated with improved gut integrity, reduced inflammation and better long-term digestive health.
Why One Probiotic Doesn’t Suit Everyone
The human gut contains trillions of microorganisms, and every person’s microbiome is unique.
Different probiotic strains perform different functions. Some strains may help:
- Irritable bowel syndrome (IBS)
- Antibiotic-associated diarrhoea
- Constipation
- Immune function
- Vaginal health
- Stress and mood
- Inflammatory bowel conditions
A probiotic that works well for one person may do very little—or occasionally worsen symptoms—for someone else.
Simply taking the probiotic with the highest CFU count or the most strains is rarely the best approach.
The Importance of Gut Microbiome Testing
Rather than guessing, modern microbiome testing allows us to better understand what is happening inside your digestive system.
Comprehensive stool microbiome testing can identify:
- Levels of beneficial bacteria
- Diversity of your microbiome
- Potential overgrowth of less desirable bacteria
- Markers of inflammation
- Digestive function
- Intestinal barrier health
- Production potential of important postbiotics such as butyrate
- Presence of important organisms such as Akkermansia muciniphila
This information allows your practitioner to recommend targeted nutrition, lifestyle strategies and, where appropriate, specific probiotic strains that match your individual needs instead of relying on trial and error.
Sometimes You Don’t Need a Probiotic
Interestingly, many people don’t actually require probiotic supplements.
If your beneficial bacteria are already present but simply lack nourishment, the better strategy may be to increase the foods that allow these bacteria to thrive and produce more beneficial postbiotics.
This often includes increasing:
- Plant diversity
- Fibre-rich vegetables
- Legumes
- Wholegrains (where tolerated)
- Resistant starches
- Prebiotic foods such as garlic, onions, leeks and asparagus
- Fermented foods including yoghurt, kefir, kimchi and sauerkraut (where appropriate)
Supporting your existing microbiome can often be more effective than continually introducing new bacteria.
A Personalised Approach to Gut Health
Gut symptoms such as bloating, reflux, constipation, diarrhoea, food intolerances or ongoing digestive discomfort are often signs that the microbiome needs closer investigation—not simply another probiotic.
At Wellness Zone Warwick, we combine a detailed clinical assessment with evidence-based microbiome testing where appropriate to develop a personalised treatment plan. This may include dietary changes, targeted prebiotics, specific probiotics, postbiotic support and lifestyle strategies tailored to your individual microbiome.
Because when it comes to gut health, the right treatment starts with understanding what’s happening beneath the surface.
Ready to Improve Your Gut Health?
If you’ve been struggling with digestive symptoms or have tried multiple probiotics without success, it may be time to stop guessing.
Book a consultation with one of our Clinical Nutritionists at Wellness Zone Warwick to discover whether microbiome testing could help identify the most effective approach for your gut health.
Lorraine English is a Clinical Nutritionist and Gut Restoration Specialist with over 25 years of experience helping people improve digestive health, restore gut function and optimise overall wellbeing. She has a special interest in the gut microbiome, IBS, SIBO, food intolerances, menopause and metabolic health. Lorraine uses evidence-based nutrition, functional testing and personalised treatment plans to help clients identify the underlying causes of digestive symptoms rather than simply managing them.
Lorraine consults from Wellness Zone Warwick in Perth and is passionate about educating people on the latest research in gut health, microbiome restoration and healthy ageing.
An Integrative Approach to Gut Health
At Wellness Zone, we believe optimal gut health is achieved by combining the best of modern nutritional science with traditional healing approaches.
From a Traditional Chinese Medicine (TCM) perspective, digestion is often compared to a cooking pot. For your body to absorb nutrients effectively, food needs to be “cooked” by a strong digestive system. When this digestive energy becomes depleted, food may not be broken down efficiently, contributing to symptoms such as bloating, fatigue, loose stools and a feeling of heaviness.
Simple habits such as eating regular meals, slowing down at mealtimes, chewing food thoroughly and choosing warm, nourishing meals can help support healthy digestion and improve digestive comfort.
Clinical nutrition complements this approach by using evidence-based dietary strategies to restore the gut microbiome, reduce inflammation and optimise digestive function. Where appropriate, advanced microbiome testing can provide valuable insights into your gut bacteria, helping us develop a personalised nutrition and supplement plan rather than relying on a one-size-fits-all approach.
Together, Clinical Nutrition and Traditional Chinese Medicine consider the whole person—not just the digestive symptoms. By assessing factors such as diet, stress, sleep, energy levels, lifestyle and overall health, we aim to identify the underlying causes of gut dysfunction and create an individualised treatment plan that supports your body’s natural ability to heal and thrive.
Whether you’re experiencing digestive symptoms, food intolerances, menopause, fatigue, skin conditions or simply want to improve your overall health, our experienced practitioners are here to help.
Our integrative approach may include:
- Clinical Nutrition
- Traditional Chinese Medicine
- Acupuncture
- Microba Gut Microbiome Testing
- Functional Testing
- Personalised Nutrition Plans
- Lifestyle and Stress Management
- Chinese Herbal Medicine (where appropriate)
Together, we’ll work with you to restore digestive health, improve wellbeing and help you feel your best—naturally.
Book an appointment with the Wellness Zone team today and discover how an integrative approach to gut health can support your long-term wellbeing.
Frequently Asked Questions
What are postbiotics?
Postbiotics are beneficial compounds produced by your gut bacteria when they ferment dietary fibre. These compounds—including short-chain fatty acids such as butyrate—help nourish the cells lining your intestine, reduce inflammation, strengthen the gut barrier, support immunity and contribute to overall health.
What is the difference between prebiotics, probiotics and postbiotics?
- Prebiotics are fibres that feed your beneficial gut bacteria.
- Probiotics are live beneficial microorganisms found in certain foods and supplements.
- Postbiotics are the health-promoting substances produced by these bacteria after they digest prebiotic fibres.
Do I need to take a probiotic?
Not necessarily. While probiotics can be beneficial for some people, they are not a one-size-fits-all solution. The effectiveness of a probiotic depends on your individual gut microbiome, health concerns and the specific bacterial strains used.
In many cases, improving diet and feeding your existing beneficial bacteria may provide greater benefits than taking a probiotic supplement.
Why doesn’t every probiotic work for everyone?
There are hundreds of different probiotic strains, each with unique effects. Some support IBS, others help after antibiotics, while others may benefit immune health or bowel regularity.
Choosing the wrong probiotic may provide little benefit and, for some people, may even worsen symptoms such as bloating.
How can gut microbiome testing help?
Comprehensive gut microbiome testing provides valuable information about your digestive health, including:
- Levels of beneficial bacteria
- Overall microbial diversity
- Markers of inflammation
- Digestive function
- Gut barrier health
- Production of beneficial postbiotics
- Presence of important bacteria such as Akkermansia muciniphila
This information helps your Clinical Nutritionist recommend targeted dietary strategies and, where appropriate, specific probiotic supplements suited to your individual needs.
What symptoms may suggest an unhealthy gut microbiome?
An imbalance in the gut microbiome may contribute to:
- Bloating
- Constipation or diarrhoea
- Irritable bowel syndrome (IBS)
- Food intolerances
- Reflux
- Excessive gas
- Fatigue
- Frequent infections
- Skin conditions
- Brain fog
- Difficulty managing weight
These symptoms can have many causes, so a professional assessment is important.
Can I improve my gut health naturally?
Absolutely. Some of the most effective ways include:
- Eating a wide variety of plant foods
- Increasing dietary fibre gradually
- Including fermented foods where tolerated
- Managing stress
- Exercising regularly
- Getting adequate sleep
- Limiting ultra-processed foods
- Only using antibiotics when medically necessary
These lifestyle habits help nourish beneficial bacteria and encourage the production of healthy postbiotics.
Is gut microbiome testing suitable for everyone?
Testing is most valuable for people with ongoing digestive symptoms, complex health conditions or those who have not responded to standard dietary approaches. During your consultation, your Clinical Nutritionist will determine whether microbiome testing is likely to provide useful information for your situation.
How can Wellness Zone Warwick help?
Our Clinical Nutritionists take a personalised, evidence-based approach to digestive health. We assess your symptoms, diet, lifestyle and medical history and, where appropriate, utilise advanced gut microbiome testing to identify the underlying causes of digestive dysfunction.
Your treatment plan may include nutrition therapy, targeted probiotics or prebiotics, postbiotic support, lifestyle recommendations and collaboration with our acupuncture practitioners for a truly integrative approach to gut health.
Book a consultation at Wellness Zone Warwick to discover how a personalised approach can help restore your gut health and improve your overall wellbeing.
About the Author
Lorraine English is a Clinical Nutritionist and Gut Restoration Specialist with over 25 years of experience helping people improve digestive health, restore gut function and optimise overall wellbeing. She has a special interest in the gut microbiome, IBS, SIBO, food intolerances, menopause and metabolic health. Lorraine uses evidence-based nutrition, functional testing and personalised treatment plans to help clients identify the underlying causes of digestive symptoms rather than simply managing them.
Lorraine consults from Wellness Zone Warwick in Perth and is passionate about educating people on the latest research in gut health, microbiome restoration and healthy ageing.