Calprotectin & QFIT Explained: The Science Behind Home Gut Health Testing

Blood tests

by

Calprotectin & QFIT Explained: The Science Behind Home Gut Health Testing

Digestive symptoms can be worrying—especially in the UK, where conditions like irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and bowel cancer affect thousands annually. But how do you know what’s really going on in your gut?

What is Calprotectin?

Calprotectin is a protein released by white blood cells during inflammation. Elevated faecal calprotectin suggests inflammation in the intestines. It helps doctors distinguish between inflammatory conditions (like Crohn's or ulcerative colitis) and functional disorders (like IBS).

What is QFIT?

QFIT (Quantitative Faecal Immunochemical Test) checks for tiny amounts of blood in your stool—even those too small to see. This test is widely used across the UK, including the NHS bowel cancer screening programme.

Blood in the stool can indicate polyps, cancer, or even benign causes like haemorrhoids, but always warrants proper investigation if persistent.

Why Choose a Home Gut Health Test?

Our At-Home Gut Health Test: Calprotectin & QFIT brings the science to your doorstep.

When Should You See Your GP?

Even if you don’t buy a test, keep track of symptoms and get help with the NHS Digestive Health guide.

Ready for answers? Buy a home kit online or book an in-person test at Mayfield Clinic.

Book appointment

30 minutes | £220

Book appointment

Learn more about Membership here

Loading availability

Frequently asked questions

What is calprotectin and what does it indicate?

It is a marker of gut inflammation and can help distinguish between inflammatory bowel diseases (like Crohn’s disease and ulcerative colitis) and non-inflammatory conditions (like IBS).

What does a QFIT result tell me?

QFIT stands for Quantitative Faecal Immunochemical Test. It detects small amounts of blood in the stool, which can be an early sign of bowel polyps, cancer, or other conditions.

Are these tests conclusive?

While these tests are highly useful as screening tools, no test is 100% accurate. They flag possible issues, but your GP may recommend further testing based on your results and symptoms.

No items found.

Related products

At-Home Gut Health Test: Calprotectin & QFIT

At-home gut health test detecting inflammation and hidden blood for early bowel screening.

Get started with Mayfield Clinic

Become a Mayfield Clinic member and get direct access to experienced general practitioners