Morning Meal and increased appetite If I was going to eat something in the morning, I usually choose a casein-containing protein shake with milk because it makes me feel very full and suppresses appetite for a long period of time. When you go to eat again later in the day, your macros are already extremely protein heavy so it feels like you can "cheat" a bit more and get away with a higher ratio of carbs/fats with your protein in your larger meals, assuming you are following IIFYM