Triphala does not have a strong purgative effect. (It is a mild laxative at best). It does not cause a very large change in intestinal motility or pH of the colon or intestine to cause any damage to the probiota. read more
I have taken two different brands of Triphala, each had roughly the same content per dose (1500 or 1600 mg) but one brand recommended one dose a day and the other two doses. The latter works better for me. read more