Place pork tenderloin into the insert of your slow cooker. In a small bowl, mix together all of the remaining ingredients. Pour over pork and set the timer for your slow cooker, 6 hours on low.
Once pork tenderloin has cooked, remove from slow cooker with tongs onto a serving dish. Shred meat lightly with two forks and then ladle ¼ cup of the remaining sauce over pork.
Recipe by Mom to Mom Nutrition at https://momtomomnutrition.com/food-and-recipes/balsamic-grape-pork-tenderloin/