Grapefruit's somewhat bitter taste is full of antioxidants and fibre, making it one of the healthiest citrus fruits we can eat. It's rich in vitamin A and C, plus smallish concentrations of various beneficial minerals. Several reports are emerging that suggest that it might help in preventing cells from becoming insulin resistant, therefore preventing type 2 diabetes.
A rich source of: vitamin A, vitamin C.
Grapefruit, raw
| Serving Size grams | 120 |
| Teaspoons of table sugar equivalent | 1 |
| Glycemic Index | 25 |
| Glycemic Load | 2.8 |
| Potential GI Range | 25 |
Grapefruit juice, unsweetened
| Serving Size grams | 250 |
| Teaspoons of table sugar equivalent | 3.5 |
| Glycemic Index | 48 |
| Glycemic Load | 9.6 |
| Potential GI Range | 48 |