Oatmeal dramatically outperforms cornflakes cereal for blood sugar stability. With a GI of 55 versus cornflakes at 81, oatmeal provides sustained energy while cornflakes cause rapid blood sugar spikes. The soluble fiber in oatmeal is the key differentiator.
Oatmeal contains beta-glucan, a soluble fiber that forms a gel-like substance in the gut, slowing carbohydrate absorption and preventing blood sugar spikes. Cornflakes are highly processed with minimal fiber, causing quick glucose absorption.
| Metric | Oatmeal | Cornflakes |
|---|---|---|
| GI (Glycemic Index) | 55 | 81 |
| GL (Glycemic Load) | 13 | 21 |
| Calories(per 100g) | 150 | 113 |
| Carbohydrates(g per 100g) | 27 | 24 |
| Protein(g per 100g) | 5 | 2 |
| Fat(g per 100g) | 3 | 0 |
| Blood Sugar Risk | 4 | 9 |
| Best For | MEDIUM | HIGH |