Effect Dietary Fibre Supplementation on Gut Microbiota Composition

The study involves taking pectin fibre at increasing doses ranging from 5g, 10g and 15g for a total period of 6 weeks with the increase every 2 weeks. Study subjects will be healthy volunteers recruited from the University and local population and will be asked to attend the laboratory on 4 occasions; at the start of the intervention and every 2 weeks, at the end of each dosing period. At each study visit (\~3hrs), participants will be asked to provide a stool and blood sample and will have blood pressure measured. In the week before each study visit, participants will record their food intake.