营销话术证据 A · 指南级
益生菌万能 / 随便补菌就改善肠道
真相
抗生素后吃通用益生菌，菌群反而晚 3-6 个月才恢复（Suez 2018）；菌株、适应症、剂量要对得上。
机制速览
货架上写着含益生菌的瓶子，大多数其实够不上这个名字。
来源（1）
- Hill, C., Guarner, F., Reid, G., et al. (2014). The ISAPP consensus statement on the scope and appropriate use of the term probiotic. Nature Reviews Gastroenterology & Hepatology, 11, 506-514. A probiotic benefit is strain- and dose-specific, not a property of all fermented foods.