We are evaluating the effect of a fibre supplement (Partially Hydrolysed Guar Gum) on stool frequency in adults who suffer from constipation
- Aged 18-75
- Have suffered with constipation for at least 3 months
- Have a low stool frequency (3 bowel movements per week)
Please complete the Pre-Screening Questionnaire to help us determine your eligibility for the trial.