Ranked by protein per calorie.
- McCrispy® — 470 cal, 26g protein
- Chicken McNuggets® (4 piece) — 170 cal, 9g protein
- Deluxe McCrispy® — 530 cal, 27g protein
- Spicy McCrispy® — 530 cal, 27g protein
- Spicy Deluxe McCrispy® — 530 cal, 27g protein
- Filet-O-Fish — 380 cal, 16g protein
- McChicken — 390 cal, 14g protein