guǎ / táng / shì / yì / shēng / yuán / néng / cù / jìn / cháng / dào / yǒu / yì / jùn / shēng / zhǎng寡糖是益生元,能促进肠道有益菌生长。Oligosaccharides are prebiotics that can promote the growth of beneficial gut bacteria.