Unless a VEGAN has an excessive amount of gluten in their diet, excrement/fecal waste/poop oughta eliminate easily, is soft, fresh, and falls apart upon contact with commode water. That is a pretty good sign that digestion is healthy and working correctly.

Unpleasant odors are usually derived from any animal products or contaminated fruit or vegetation. This includes insecticides, pesticides, chemicals, additives, and isolates. 

So, if the poop is less than perfect and constipation is the name of the game, an ORGANIC VEGAN DIET could help CLAIM OUR POOP FAME!