Gut microbiome
The gut microbiome is very complex and consists of a huge amount of microorganisms, mainly bacteria. It is a network organ that connects to all kinds of parts of the body and thus can have a huge impact on well-being and health.
Thanks to our C-FISH analysis technique, NL-Lab is able to fully measure and 96% correctly identify the gut microbiome. This gives you a better understanding of the situation and what, if anything, can be done to restore balance.
We offer gut microbiome screening for:

Why choose NL-Lab?
Rich and unique data thanks to our superior C-FISH analysis method.
Smart interpretation of measured data, thanks to proprietary models, protocols and methods.
Scientifically-substantiated therapeutic advice consistent with practice.

Intestinal microbiome research for practitioners
Our research is suitable for all practitioners (doctors, therapists, dieticians, coaches, etc.) who focus on nutrition and health. They can use our understandable reports and practical therapeutic advice, to formulate a diagnosis and treatment plan.
If you have any questions or suggestions about the offer, you can always contact us.
The division of our offerings for practitioners
Dysbiosis packages
Pro Dysbiosis
Pro Dysbiosis Monitoring
The general gut microbiome packages.
Pro Basic
This package gives you insight into the composition and activity of 96% of the gut microbiome. In addition, you will gain insight into the degree and type of dysbiosis, diversity of the microbiome, colonization resistance and appropriate therapy advice for any abnormalities found.
Pro Expert
Pro Master
Optional: In combination with these packages, it is possible to have the influence of the gut microbiome on a number of gut-related conditions examined. Depending on the package, there is an additional charge per condition for this.
The gut microbiome packages for specific target groups
These packages, like the general gut microbiome packages, measure 100% of the gut microbiome and identify 96%. This gives you a complete picture of the composition of the gut microbiome. There are three different packages specifically tailored to different types of gut microbiome: those of infants, children and the elderly.
Note: The distinction between infant and child is not based by us on age, but on circumstance: from 3 months after a baby has switched to solid food, we recommend the Pro Child package. Senior with us is from about 70 years of age.
Pro Infant
Pro Child
This research package is specifically aimed at a gut microbiome that is still developing. The interpretation of the research therefore uses reference values appropriate to a child's gut microbiome.
Pro Senior
Optional: In combination with these packages, it is possible to have the influence of the gut microbiome on a number of gut-related conditions examined. Depending on the package, there is an additional charge per condition for this.
The specific gut microbiome research
This research focuses on a specific component or function of the gut microbiome.
This research can be ordered separately or as a supplement to other gut microbiome packages.
Infection-causing bacteria
Includes research on the bacteria that cause 92% of all classical intestinal infections, namely: Proteus, Klebsiella pneumoniae, Klebsiella aerogenes, Pseudomonas, Salmonella, Shigella, Campylobacter jejuni, Listeria, Yersinia enterocolitica, Helicobacter pylori, Clostridium perfringens and Clostridioides difficile.
Extensive parasite research
With periodic intestinal complaints, there is a high probability that a parasitic infection is the cause. Our study is the most comprehensive parasite research on the market and identifies the 16 species responsible for more than 95% of parasitic intestinal infections worldwide.
Quality of digestion
Complete insight into the quality of digestion. This examination is suitable in cases of osmotic diarrhea, steatorrhea, pancreatic insufficiency and impaired liver function. The research includes the determination of fat, carbohydrate, protein and water content and pancreatic elastase in the stool.
Yeasts & Fungi
This package examines whether elevated amounts of yeasts and/or fungi are present and how active they are. Any presence of Candida albicans and Aspergillus is specifically noted in the report.
The gut microbiome research on demand
This research focuses on a specific component or function of the gut microbiome and can only be requested after consultation with NL-Lab.
If you are interested, please contact us.
Gluten hypersensitivity
Indicates food hypersensitivity and specifically toward celiac disease. Package includes determination of anti-transglutaminase, anti-gliadin and histamine.
Immunogenic bacteria
This research is requested in cases of suspected reduced resistance. These include: chronic bronchitis and other recurrent inflammations of the throat, nose and ears. The package includes the bacteria belonging to the groups Enterobacteria and Enterococcus.
Occult blood
Determination of the presence of occult blood in the stool sample. Nb. This test can only be requested by BIG-registered physicians and applied to people who are not in the age range of 55-75 years.
Probiotic Testing
We can test probiotics for presence of bacterial species, numbers of bacteria and activity of cells present.
Pro Biotics Personal
The results of this study can be used to request personalized probiotics from third parties and provides insight into the composition and activity of the gut microbiome. In addition, you will gain insight into the degree and type of dysbiosis, the diversity of the microbiome, the permeability of the intestinal wall and any inflammation of the intestinal wall.
Optional: gut-related conditions
In combination with the general gut microbiome packages and the packages for specific target groups, it is possible to have the influence of the gut microbiome on gut-related conditions investigated.
These include conditions directly related to the gut (proximal conditions such as, e.g., PDS, leaky gut, colic) and conditions that cross the various intestinal axes (distal conditions such as, e.g., depression, asthma, eczema).
Depending on the package selected, there is an additional charge per condition examined.
NOTES. These tests provide insight into the possible contribution of the gut microbiome to the development of, or maintenance of, a specific condition. The test result is not a diagnosis and should be assessed by the practitioner.
The gut-related conditions
- ADHD
- Aerobic overgrowth (SIBO).
- Asthma
- COPD
- Depression
- Type 2 diabetes
- Eczema
- Hypertension
- Colic
- Leaky bowel
- ME/CFS
- Kidney stones
- Obesity
- Irritable bowel syndrome
- Crohn's disease and ulcerative colitis
Interested in a sample report?
Treatment providers can contact us to receive
sample reports.


Register without obligation
Registration does not obligate you to purchase anything. After registration, we will provide you with all relevant materials, including price lists.
Webinar about our offerings
In September 2023, we hosted a webinar discussing the complete offerings for practitioners:

Intestinal microbiome studies for individuals
At this time, only our Extensive Parasite Research can be ordered directly by consumers.
Are you interested in the gut microbiome studies for practitioners on this page? Contact us and we will send you some options of practitioners who offer these studies.
Gut microbiome screenings for top athletes
Learn more about NL-Lab's capabilities for optimizing and monitoring the gut microbiome of top athletes.
