How to Optimise Your Gut Microbiome Using Data
Last Updated: 05 June 2026

If you are struggling with a difficult stomach, you are probably tired of guessing which foods are causing your pain. You might have tried generic diets, popular supplements and health trends, only to find that your digestion is still completely unpredictable. Thankfully, science has moved beyond guesswork. Today, you can use real data from a high-quality gut test to finally understand the root causes of your problems and start taking action.
In One Sentence
A gut health test gives you the data you need to stop guessing and start improving your stomach issues with a highly precise, tailored diet and supplement plan.
Key Takeaways
How do I use my gut test results to feel better? You can use the results to guide daily food choices, consider supplements with professional advice, and identify foods that may not suit your gut well.
Why does a general healthy diet not work for everyone? Because everyone’s gut microbiome is different, people may respond differently to the same foods.
Can testing my gut bacteria help me lose weight? Yes, gut bacteria play a role in metabolism and weight regulation, and test results may help guide more personalised food choices to manage weight effectively.
How do you optimise your gut microbiome based on test results?
You optimise your gut microbiome by using data from a comprehensive gut test to eliminate incompatible foods, increase high-nutritious foods for your unique microbiome, and introduce targeted prebiotics and probiotics that correct your unique microbial imbalances. This data-driven approach removes all the confusion from your daily health routine.
To get this vital information, you need a test that uses Shotgun Metagenomic Sequencing. This is a highly advanced laboratory method that looks at all the microbial DNA in your sample. It does not just spot a few common bugs. It maps out all the microorganisms living inside you.
Once you have your results, you can finally see if you are suffering from dysbiosis, which is a severe imbalance of good and bad microbes. From there, you can take clear, practical steps to heal your body. You can learn exactly how to do this in our detailed guide on Fixing Gut Dysbiosis: From Detection to Restoration.
Why is personalised nutrition critical for gut health?
Personalised nutrition is critical for gut health because a food that promotes beneficial flora in one individual may trigger inflammatory microbial responses in another due to their highly individual microbiome compositions. There is simply no such thing as a one-size-fits-all diet.
For example, eating lots of broccoli is generally considered healthy. However, if your data shows you are missing certain bacteria, that same broccoli might cause you severe bloating and pain.
By using data, your nutritionist can build a nutrition plan that is made only for you. This plan will tell you exactly which foods will feed friendly bacteria like Akkermansia or Bifidobacterium, and which foods you need to avoid. This is the foundation of biohacking, which means using science to upgrade your body. You can explore this topic further in our article about Biohacking Your Microbiome: Precision Nutrition and Supplementation.
Can a gut flora test improve weight loss?
A gut flora test can provide useful information about microbiome patterns linked to metabolism, which can help guide more personalised dietary choices and lifestyle support. Some bacterial groups, including Phascolarctobacterium and the balance between Bacteroidetes and Firmicutes, have been studied in relation to body weight and energy metabolism.
Your gut bacteria may influence how your body processes food and stores energy. The balance between two major groups of bacteria, Bacteroidetes and Firmicutes, has been widely studied in relation to weight. Some studies suggest that a higher proportion of Firmicutes may be associated with greater energy extraction from food and increased fat storage.
Scientific studies have shown that the relative proportion of Bacteroidetes is decreased in people with obesity compared with lean individuals, while Firmicutes may be relatively higher [1]. When you take a gut bacteria test kit, you get to see your own ratio. Your nutritionist can then use this data to plan a diet that may help you to manage your weight.
Frequently Asked Questions
How often should I do a gut microbes test?
Testing your gut every six months is the best way to track your progress. It allows you to see exactly how your new, data-driven diet is changing your bacteria for the better.
What is the best gut microbiome test for biohacking?
The best gut tests for biohacking use Shotgun Metagenomic Sequencing. This technology reads all the genetic material in your sample, giving you the deepest and most accurate data available to optimise your daily health.
Do I need to take gut supplements forever?
No. Once your stomach bacteria are balanced by following your personalised nutrition plan, you should be able to get most of what you need from your food, only using supplements for occasional support.
Nutritionist's Corner: Final Thoughts
“When you have access to high-value data from a comprehensive gut test, you no longer have to rely on generic wellness trends. By looking at your unique microbiome patterns, we can create a completely personalised, data-informed nutrition plan to support your digestive and metabolic health. This targeted approach can help guide food choices that support beneficial bacteria and overall gut balance.”
Sources
Author

Yusra Serdaroglu Aydin, MSc RD
Head of Nutrition and Registered Dietitian
Yusra is a registered dietitian with a multidisciplinary background in nutrition, food engineering, and culinary arts. During her education, her curio...