STOP comes in a very palatable liquid. Because of the digestive-enzyme properties, STOP has a wide range of activity. The L-Glutamate amino acid in the formula makes the stool taste bad whenever any dog consumes the stool. This will help deter the problem of stool eating. STOP can also be given to any dog when the dog eating the stool is unknown. Active ingredients: C-Kelp, Yucca Schidigera, L-Glutamate, Parsley, Peppermint, Chlorophyll, Garlic.