| Food Item | Rating | GI |
| All-Bran | Low | 42 |
| Porridge, non instant | Low | 49 |
| Oat bran | Medium | 55 |
| Muesli | Medium | 56 |
| Mini Wheats (wholemeal) | Medium | 57 |
| Shredded Wheat | Medium | 69 |
| Golden Grahams | High | 71 |
| Puffed wheat | High | 74 |
| Weetabix | High | 77 |
| Rice Krispies | High | 82 |
| Cornflakes | High | 83 |