Ranked by protein per calorie.
- Sting Root Beer — 180 cal, 0g protein
- Pepsi — 180 cal, 0g protein
- Diet Pepsi — 0 cal, 0g protein
- Pepsi Zero Sugar — 0 cal, 0g protein
- 7-Up — 170 cal, 0g protein
- Dr. Pepper — 190 cal, 0g protein
- Brisk Iced Tea — 90 cal, 0g protein