In a clinical experiment involving very obese patients with metabolic syndrome, faecal transplants were found to be effective only when combined with non-fermentable fibre supplements. Insulin sensitivity improved six weeks following a single faecal transplant in the phase 2 trial. https://www.coherentmarketinsights.com/news/metabolic-syndrome-is-successfully-treated-by-faecal-transplantation-and-fibre-418