Place the chicken breasts in the bottom of your slow cooker.
Sprinkle the taco seasoning evenly over the chicken.
Pour the chicken broth over the top.
Add garlic powder and any additional spices you prefer.
Cover and cook on HIGH for 3–4 hours or LOW for 6–8 hours.
Once cooked, remove the chicken and shred it using two forks.
Return the shredded chicken to the slow cooker and mix with the juices.
Serve your Slow Cooker Taco Shredded Chicken in tacos or your favorite dishes.