最近發表於歐洲臨床營養學雜誌(European Journal of Clinical Nutritionublished online ahead of print, doi: 10.1038/ejcn.2009.120)的一篇研究(“A double-blind, placebo-controlled, randomized human study assessing the capacity of a novel galacto-oligosaccharide mixture in reducing travellers' diarrhoea”),說明補充半乳寡糖混合物對旅行者腹瀉症有減少發病的機率及時間。