Yes, there are certain medial conditions that will preclude people taking part. In the main it is use of antibiotics that might alter the results, or certain digestive issues. So yes there will be some rules for attending the course so please bear in mind that even if you book the course then you will need to fit the criteria to participate. We reserve the right to refund applicants who are not suitable.
You must be willing to commit to the trial and consent to your medical details and analysis being recorded for the purposes of the study.