Rolled Oats (Old Fashioned)
Staple Grains & Cereals · 10 specs
Direct Answer
Rolled oats are steamed and flattened whole oat groats (Avena sativa). Per 100g raw, they provide 389 kcal, 66.3g carbohydrates (10.6g fiber, including 4g beta-glucan soluble fiber), 16.9g protein, and 6.9g fat with a low glycemic index of 55.
Source: USDA FoodData Central (FDC ID: 173904) · Last reviewed Aug 28, 2026
Specs
| Energy / Calories | 389 kcal |
| Carbohydrates | 66.3 g |
| Dietary Fiber | 10.6 g |
| Net Carbohydrates | 55.7 g |
| Protein | 16.9 g |
| Total Fat | 6.90 g |
| Glycemic Index (GI) | 55 (Low-Medium) |
| Water Content | 8.2 g |
| Gluten Status | Naturally Gluten-Free (Requires certified processing) |
| Standard Water-to-Rice Ratio | 2.0 : 1.0 (Liquid to Oats) |
Beta-Glucan & Satiety Mechanics
Oats are exceptionally rich in beta-glucan, a viscous soluble fiber that forms a gel in the digestive tract. This delays gastric emptying, prolongs satiety, blunts postprandial glucose spikes, and binds to bile acids to lower LDL cholesterol.