Microbiome testing analyses the balance and diversity of gut bacteria to identify imbalances
that may be contributing to inflammation, metabolic disruption, and digestive dysfunction.
This service is available in both Sydney and Melbourne, and is performed in the comfort of your own home.
What is microbiome testing?
Microbiome testing examines the bacteria that live in your gut. It determines the types of bacteria you have in your digestive system and their balance. This information will help our professional team understand your overall health and how your gut microbiome may be affecting digestion, immunity, and inflammation.
At HealthScreen, we use the Gutlinx Gut16 Gut Microbiome rRNA test to evaluate your unique gut flora and identify imbalances that may be impacting your metabolism, immunity, energy, and inflammation levels. This non-invasive test, coordinated on-site, provides actionable insights to support your long-term vitality.
Why is gut health particularly important?
Your gut health affects more than just digestion. It influences:
- Inflammation and immune response
- Metabolism and insulin sensitivity
- Nutrient absorption and cellular repair
- Mood, cognition, and mental clarity
How does microbiome testing at HealthScreen work?
Our Process
STEP 1
Gut16 Microbiome rRNA Test
Your gut is home to trillions of microorganisms that influence digestion, energy, and overall wellbeing.
The Gut16 Gut Microbiome rRNA Test, powered by 16S rRNA sequencing technology and a proprietary algorithm tailored to the urban population, provides a comprehensive profile of your gut flora and its impact on health.
Your Gut16 report includes:
- Microbial Diversity Analysis – Understand the richness and balance of your gut bacteria.
- Inflammatory Profile – Identify pro- and anti-inflammatory species that influence gut and systemic inflammation.
- Metabolic & Immunity Insights – Assess how your microbiome affects digestion, energy, and immune response.
This is a non-invasive test that involves collecting a small stool sample, which will be analysed in a laboratory.
STEP 2
Optional Personalised Probiotic with GutPro
Based on your Gut16 results, you can choose to receive a custom GutPro Probiotic—a therapeutic formulation developed by Gutlinx to target your unique microbiome needs.
GutPro formulations are:
- Guided by Your Gut Data: Personalised based on your microbiome, diet, and health goals.
- Formulated with Clinically Validated Strains: Designed to restore beneficial bacteria, reduce inflammation, and improve gut resilience.
- Enhanced with Natural Prebiotics: Including green banana powder, known to promote beneficial species such as Faecalibacterium and Bifidobacterium and support anti-inflammatory SCFA production (e.g., butyrate).
Probiotic categories include:
- GutPro Maintenance – For microbial support and prevention
- GutPro Optimisation – To correct dysbiosis and rebalance flora
- GutPro Restorative – For rebuilding resilience and gut repair
Gutlinx is a microbiome science company that develops gut health tests and personalised probiotics. They analyse gut bacteria using laboratory sequencing technology and use this data to create reports and probiotic formulations tailored to an individual’s microbiome.
We partner with Gutlinx to deliver microbiome testing and optional personalised probiotic support.
- On-site Gut16 microbiome testing can be completed on site or in the comfort of your own home
- Detailed microbiome report covering balance, inflammation, and personalised insights
- Optional customised GutPro probiotic with supporting natural prebiotics
Take the First Step Towards a Healthier, Longer Life
Gut health insights contribute to a broader understanding of health and support informed, preventative care. Microbiome testing is available as part of our longevity membership or within our diagnostic programs.
FAQs
Who should consider microbiome testing?
Microbiome testing may be helpful for people who are experiencing ongoing digestive issues, low energy, bloating, food sensitivities, or recurrent inflammation.
It’s also useful if you’re generally interested in understanding your gut health as part of a preventative or longevity-focused approach, even if you don’t have specific symptoms.
What sample is required?
The test requires a small stool sample, collected on the day as part of your assessment, or in the comfort of your own home and posted back to us. No blood tests, procedures, or invasive steps are involved.
Will I receive a report explaining my results?
Yes, you’ll receive a detailed report outlining your microbiome results and key findings. You’ll be able to ask any questions to help understand what your results mean in the context of your overall health.
How accurate and reliable is microbiome testing?
The Gut16 test uses 16S rRNA sequencing, a widely used and well-established method for analysing gut bacteria. While no test can capture every microorganism in the gut, this approach provides reliable insight into bacterial balance.
Can results help guide probiotic or prebiotic use?
Absolutely, the same laboratory that analyses your microbiome results can develop a personalised probiotic formulation.
Based on your results, you’ll have the option to purchase a customised probiotic and natural prebiotics designed to support your specific microbiome profile. This is completely optional, and your doctor can help you decide whether it’s appropriate for you.
How often should microbiome testing be repeated?
This varies from person to person. Many people chose to repeat their testing when they are due for their next HealthScreen appointment. You may also opt for more frequent testing to monitor your progress if you are taking probiotics.

