The below 8min video details the results of a "service evaluation" undertaken with patients in the NHS in Leicester, UK, evaluating the effectiveness of a FODMAP alternative that may be easier for patients and better for the dietetic service.


The Fast Tract Diet and its associated resources are copyrighted and trademarked. Practitioners are free to recommend the diet, book, and mobile app to patients. Restrictions exist involving reproducing the content including tables without the written permission of the author (Dr Norm Robillard).

Why Did We Do This?

At the time of this service evaluation, patients had to wait a minimum of 6 months to see a qualified FODMAP dietitian.

Since FODMAP is a privately held trademark, the NHS has to pay large fees to get dietitians certified to deliver their intervention to patients.

Clearly this isn't in the best interest of patients. In addition, many people find integrating FODMAP into daily life extremely difficult.

The Idea

A book was published by Dr Norm Robillard detailing his thoughts on an alternative to FODMAP that could be used to reduce the overall fermentation potential of the diet.

I personally used his book to alleviate my own digestive health complaints. I then proceeded to use it with patients in clinic over a 12 month period. Those patients had seen significant benefits, similar to FODMAP, but found the diet less restrictive and easier to follow.

So I decided to collect data.

What We Did Next..

Next I decided a "service evaluation" (a simple before/after intervention with data capture) would be best for time/cost reasons.

The validated Kings College London evaluation tool was adapted for this project to assess patient symptom reports both before & after intervention.

Other dietitian's in the service were asked for help.

This resource was designed and created to give to patients.

What Did We Find?

We saw 33 patients before & after. There were more but some got lost to follow up.

These were the symptoms patients were struggling with PRE intervention broken down into %'s. We tracked more data however, some of it has been committed for brevity.

The following is the change in patients symptoms POST intervention.

Adherence to the Fast Tract diet was very good (see image). Only a few patients did not engage with the protocol.


There weren't any tolerance issues with the diet. Adherence rates were high. Likely owing to it being less restrictive than FODMAP but just as effective in terms of subjectively reported patient outcomes.

This wasn't intended to be a rigorously controlled scientific study. We simply didn't have the funds nor time for that. Instead we decided to collect preliminary data. Hopefully someone will produce a study soon.

That said no harm can be caused to trialling this dietary approach, again owing to the fact it isn't hugely restrictive.

Based on the results here, the Fast Tract approach appears safe & highly effective. Additionally, for NHS patients willing to trial this approach, waiting 6 months+ to get help isn't necessary.

the Fast Tract provides another tool in the toolbox to help those with IBS-like symptoms.