I took the herbs for 5 days and then used up the rest of the sachets. This was about three months ago. Also, for several weekends I used digestive stimulator tablets, liquid Bentonite clay and psyllium shakes two to three times a day to pull off the remaining gunk, and now it seems to be just the clay and psyllium that comes out, so I will probably do the blessed herb once a year and do the shakes every once in a while.