369 BluPoo Gut transit time Tracker, 24 capsules. BLU POO helps to determine how long it takes for food to move through the digestive tract from start to finish. Diet and gut microbiome composition between shorter and longer transit times vary greatly from person to person. The information obtained by tracking gut transit time can provide valuable insights on how your body processes food. Although there isn't a perfect transit time, the info can be used to adjust diet and specific probiotic intake where necessary.  Blue Spirulina, Cellulose, Indigotine, Silica