The study, published recently in Nature Communications by researchers from the School of Life Course & Population Sciences showed that this simple and cheap addition to diet can improve performance in memory tests associated with early signs of Alzheimer’s disease.

However, the prebiotic supplements inulin and FOS were found to have no effect on muscle strength over this period.

As populations age globally, the prevalence of age-related conditions such as cognitive decline and muscle loss is on the rise. Researchers at TwinsUK, the UK’s largest adult twin registry based at King’s College London, sought to understand how targeting the microbiota, the diverse community of microorganisms residing in our intestines, using two cheap, commercially available plant fibre supplements inulin and FOS, could impact both muscle health and brain function.