Some of the best keto snacks at Walmart are: -Nuts and seeds, such as almonds, walnuts, and pumpkin seeds. -Coconut oil. -Canned tuna. -Canned salmon. -Low carb breads and crackers. -Canned sardines. -Low carb tortillas. -Low carb cereal bars. -Low carb granola bars. -Low carb protein bars. -Canned vegetables, such as green beans, corn, and peas. -Canned tomatoes. -Low carb pasta.