| Protein type | PER | PDCAAS | BV |
| Whey protein | 3.2 | 1.00 | 104 |
| Casein | 2.5 | 1.00 | 77 |
| Milk | 2.5 | 1.00 | 91 |
| Soy protein | 2.2 | 1.00 | 74 |
| Wheat gluten | 0.8 | 0.25 | 64 |
| Beef | 2.9 | 0.92 | 80 |
| Egg | 3.9 | 1.00 | 100 |