According to Healthline, chicken tacos can be very healthy, but it all depends on the ingredients. Chicken is high in protein and lower in fat than red meat. To keep these low in calories, just don't go crazy with the toppings. For this recipe, 2 tacos topped with slaw and sauce is under 500 calories and has over 40 grams of protein and only 14 grams of carbs. See nutrition in the recipe card for more information.