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Chronic gut issues: you have the symptoms, but you do not yet know why

Chances are you have already tried all sorts of things. Maybe you even had a colonoscopy, blood tests or followed a FODMAP diet. But no one can tell you what is going on. Does this sound familiar? Then you are in the right place.

Illustration of the gut character investigating the causes of unexplained gut issues
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Chronic symptoms • Cornerstone

Chronic gut issues: what else can be investigated

You have gut symptoms but no one finds the cause. Discover which factors, from your microbiome to food intolerances, do play a part in your symptoms and what you can do about them.

10 min read May 2026
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Tests for chronic gut issues

Standard hospital tests look for visible abnormalities. We look further: at your microbiome, your immune system and your nutritional status. That is how we find the cause of your symptoms.

Experiences from people without a clear diagnosis

What others achieved when they looked beyond the standard answers.

For years I struggled with abdominal and stomach complaints. A lot of pain, regular headaches and a body that never really cooperated. Until I understood what my body needs. That brings calm and confidence.

Ilona, 55 • Irritable bowel syndrome Read my story →

After many years without clear answers, the testing finally gave me insight into what was going on. Now I can work on recovery in a focused way. My advice: let someone help you. Measuring is knowing, and knowing is the start of a solution.

Jasper Jansen • Google review
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Dive deeper into your gut health

Articles about the factors that play a part in chronic gut issues.

Free Gut Health Scan

Discover what is going on in your gut

Do you have chronic gut issues but no clear diagnosis? Answer 22 questions about food, lifestyle and the symptoms you experience. Based on your answers you receive a personal profile that explains what is going on in your body and which first steps you can take today.

22 targeted questions

About food, lifestyle, symptoms and your medical history.

Personal profile

You receive an analysis that explains what is going on in your body.

Concrete first steps

Practical recommendations you can apply today.

Start the free Gut Scan → Book a free intro call

The scan takes 4 minutes. The intro call is free and without obligation.