1, individual difference: each person's physical condition and metabolic ability are different, and the time to feel the effect of probiotics is also different.

2. Irregular drinking: Probiotics need continuous drinking to achieve the best results. Irregular or intermittent drinking will delay the feeling of effect.

3, eating habits: There are other factors in the diet that are not conducive to the growth of probiotics, which will weaken the role of probiotics.