It depends on the individual situation
1. Probiotics should be taken with indications. Eat as long as you don't want. In particular, the medicinal probiotics must be taken according to the doctor's advice. Probiotics can be used together with probiotics, which is conducive to the colonization and reproduction of probiotics in the intestine. For example, zangling stachyose is very good, which is very helpful for the quantification of probiotics in the body.
2. Probiotics of different brands can be eaten together. If a variety of probiotics are mixed, it is recommended to follow a reasonable dosage. Don't eat a lot of similar products at a time.