Fruitables Dog and Cat Switch Food Transition Supplement reduces the risk of digestive upset or diarrhea. The biggest barrier to trying new pet foods is the fear of digestive upset or food refusal. With Switch, transitioning to a new food has never been easier or with less risk. Their proprietary blend of different pumpkin varieties achieves a just-right balance of soluble & insoluble fiber. This blend works to buffer the impact of new proteins and fats with a highly palatable pumpkin base that provides a flavor dogs love. This natural approach makes switching foods easy and worry free.