| Whole Grapefruit (1/2 grapefruit serving) | |
| Prot(g) | |
| Pink and Red Grapefruit | 0.95 |
| California and Arizona Pink and Red Grapefruit | 0.62 |
| California White Grapefruit | 1.04 |
| Florida Pink and Red Grapefruit | 0.68 |
| Florida White Grapefruit | 0.74 |
| Canned Grapefruit (1 cup serving) | |
| Prot(g) | |
| Grapefruit in Water Pack | 1.42 |
| Grapefruit in Juice Pack | 1.74 |
| Grapefruit in Light Syrup Pack | 1.42 |
| Prot(g) | |
| Grapefruit Juice | 1.28 |
| Freshly Squeezed Grapefruit Juice | 1.24 |
| Frozen Grapefruit Juice reconstituted with Water | 1.36 |
| Grapefruit Juice Drink | 0.40 |
| Low Calorie Grapefruit Juice Drink | 0.44 |
| Pink Grapefruit Juice | 1.24 |
| White Grapefruit Juice | 1.24 |
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