Corn syrup
High GI
GL 223 per cup (328 g) · GL 68 per 100 g
- Fat free
- Extremely high glycemic load
Corn syrup has a glycemic index of 90 (High). One cup (328 g) adds a glycemic load of 223.
Reviewed Aug 6, 2026 · Sources: USDA FoodData Central #168836 , Logi Nutrition Team · Not medical advice · Report an error
Instead of this
- no GI Allulose provides a similar liquid-like sweetness profile to corn syrup but with a GI of 0, preventing the sharp blood sugar spike associated with a GI of 90.
Allulose - Yacon syrupGL 3 per 100 g Yacon syrup offers a natural, syrup-like consistency while significantly lowering the glycemic load from 68 to 3, making it a much more stable choice for blood sugar management.
- no GI Monk fruit extract is a zero-glycemic alternative that eliminates the massive glycemic impact of corn syrup while providing intense sweetness.
Monk fruit sweetener (pure extract) - GL 1 per 100 g Erythritol is a sugar alcohol that has a negligible impact on blood glucose (GI 1), making it a vastly superior choice to the high-glycemic corn syrup.
Erythritol
Logi · Manage Insulin Resistance
Lower your blood sugar through smarter food choices
Corn syrup is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
Portions
| Portion | Grams | GL |
|---|---|---|
| 1 tablespoon | 20 g | 13.6 |
| 1 cup | 328 g | 223 |
Nutrition Facts (per 100g)
per 100g
| Calories | 286 kcal |
| Carbohydrates | 76 g |
| Sugars (Total) | 76 g |
| Natural | 0 g |
| Added | 76 g |
| Fiber | 0 g |
| Soluble | 0 g |
| Insoluble | 0 g |
| Protein | 0 g |
| Fat | 0 g |
| Saturated | 0 g |
| Unsaturated | 0 g |
| Sodium | 20 mg |
Processing Level
Why this score?
- Fat free
- No saturated fat
- Extremely high glycemic load
- No fiber or protein
- High in added sugars
Allergens
No EU-14 allergen listed
Low-GI recipes on Logi Food Coach
Frequently Asked Questions
What is the glycemic index of Corn syrup?
Corn syrup has a glycemic index of 90 (High). One cup (328 g) has a glycemic load of 223; per 100 g the glycemic load is 68.
Is Corn syrup good for people with insulin resistance?
Corn syrup has a high glycemic index (90) and raises blood sugar quickly. A lower-load alternative is Yacon syrup.
How does Corn syrup affect blood sugar?
Corn syrup has a glycemic load of 68 per 100g, which indicates a significant impact on blood sugar levels.
Check Corn syrup in the Logi app, with your portion.
