Uncovering Hidden Food Sensitivities with a CGM
Continuous Glucose Monitors (CGMs) have revolutionized the way we manage our blood sugar levels, providing real-time, dynamic data that can help us understand our bodies better. One of the most significant benefits of using a CGM is its ability to uncover hidden food sensitivities. By analyzing your body's response to different foods, you can identify which ones are causing inflammation, bloating, or other uncomfortable symptoms.
What are Hidden Food Sensitivities?
Hidden food sensitivities, also known as non-IgE mediated food reactions, occur when your body reacts to a particular food without producing an allergic response. These reactions can cause a range of symptoms, from mild discomfort to severe digestive issues. Common culprits include gluten, dairy, soy, and nightshades, but other foods like eggs, nuts, and seeds can also trigger reactions.
How a CGM Helps Identify Hidden Food Sensitivities
A CGM can help identify hidden food sensitivities by tracking your blood sugar levels in real-time. By analyzing the data, you can see which foods are causing spikes or dips in your blood sugar levels. This information can help you identify patterns and connections between your diet and your symptoms.
How to Use a CGM to Identify Hidden Food Sensitivities
To use a CGM to identify hidden food sensitivities, follow these steps:
- Track your food intake: Start by tracking everything you eat and drink for a few weeks. This will give you a baseline understanding of your typical diet.
- Set up your CGM: Install your CGM and set it to track your blood sugar levels.
- Analyze your data: Use the data from your CGM to identify patterns and connections between your diet and your blood sugar levels.
- Eliminate common culprits: Start by eliminating common culprits like gluten, dairy, and soy from your diet for a few weeks.
- Reintroduce foods: Gradually reintroduce each food group into your diet and monitor your blood sugar levels.
- Identify patterns: Use the data to identify patterns and connections between your diet and your blood sugar levels.
Case Studies: Uncovering Hidden Food Sensitivities with a CGM
Here are a few case studies that demonstrate the effectiveness of using a CGM to identify hidden food sensitivities:
- A woman with type 2 diabetes noticed that her blood sugar levels would spike after eating gluten-containing foods. After eliminating gluten from her diet for a few weeks, she noticed significant improvements in her blood sugar control.
- A man with digestive issues noticed that his symptoms would worsen after eating dairy products. After eliminating dairy from his diet, he noticed significant improvements in his digestion and overall health.
- A child with ADHD noticed that his symptoms would worsen after eating foods high in sugar and artificial additives. After eliminating these foods from his diet, he noticed significant improvements in his focus and behavior.
Conclusion

Uncovering hidden food sensitivities can be a challenging and time-consuming process, but with the help of a CGM, you can identify patterns and connections between your diet and your blood sugar levels. By tracking your food intake and analyzing your CGM data, you can eliminate common culprits and identify specific foods that are causing inflammation, bloating, or other uncomfortable symptoms. With this knowledge, you can make informed decisions about your diet and take control of your health.