Yes! It is. If you have bread that isn't too high in simple carbs and made with refined sugar (i.e. plain white bread) you're ahead of the game when it comes to whole grains and high fiber toast. However, even if you are using white bread, the stuff on top is full of nutritional value! Guacamole is made with nutrient-dense avocado. Tomatoes are high in vitamin C and antioxidants, and the greens are loaded with calcium, folate, vitamin B, vitamin K, and the list goes on. Not only that, but when you start your day with a filling breakfast, it satiates your hunger, balances your blood sugars, and also helps you avoid eating too many snacks!