Articles on: Interpreting your results

I keep getting high Fermentation Scores - Help?

Fermentation is a natural process that happens in the gut, and high levels of fermentation are not always a bad thing. What matters most is learning how your own body responds to different foods.


By using your FoodMarble device consistently, you can track your fermentation levels over time and see how they change with the foods you eat. Logging your meals in the app allows you to connect changes in your fermentation scores with specific foods, helping you build a clearer picture of your unique digestive patterns.


It can also be normal for fermentation scores to rise and fall between consecutive tests. To avoid skewed results, we recommend taking no more than one breath test per hour—excess moisture from frequent tests can result in readings that don't reflect the true fermentation levels.


Breath Testing Technique


  • Don't hold your device too close to your mouth or nose during the 3 second countdown. Even a gentle exhale may be picked up by your device.
  • Use a gentle breathing style. Don’t blow through the device. Instead, imagine you’re gently cooling hot soup on a spoon—steady and soft.
  • Hold the device correctly. Keep it straight and level, not tilted up or down.
  • Aim your breath through the device. Make sure it flows directly through, not towards the ceiling of the middle canal.


Things to Keep in Mind


  • Fermentation levels can be influenced by food eaten earlier in the day—or even the day before. Gastric transit timing is an important consideration.
  • Alcohol and smoking can both affect fermentation scores and may also damage your device over time. For the best results, avoid using the device immediately after drinking alcohol or smoking.

Updated on: 17/08/2025

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