The prebiotic effects of oat bran fibre have been validated through years of research. In a review by Malkki and Virtanen, they cite: “in the large bowel, soluble dietary fibre increases the fermentation activity, especially production of butyric acid, enhances growth and colonisation of some probiotic bacterial strains, increases production of microbial mass and thereby aids the removal of nitrogen via faeces. It also increases wet weight of stools, thereby alleviating constipation”.²¹
Research conducted on oat beta-glucan demonstrates that it meets three important criteria, confirming its status as a prebiotic fibre:¹ ²