Beneficial effects of probiotics related with survival number and subsistent quality in intestines, but gastric acid and bile can kill it.It affects the beneficial effects of probiotics.

• 益生菌的益生作用与其在肠道中的存活数量和生存质量有关，然而胃酸和胆汁对益生菌具有巨大的杀伤力，极大的影响了益生菌的益生功效。