GL 1 per 100 g
Heirloom tomato has a glycemic index of 15, the same as plain Tomatoes (15).
Updated Jul 3, 2026 · Sources: Logi Nutrition Team (USDA-derived composition, AI-assisted) · Not medical advice · Report an error
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Heirloom tomato is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
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| Calories | 18 kcal |
| Carbohydrates | 3.9 g |
| Sugars (Total) | 2.6 g |
| Natural | 2.6 g |
| Added | 0 g |
| Fiber | 1.2 g |
| Soluble | 0.4 g |
| Insoluble | 0.8 g |
| Protein | 0.9 g |
| Fat | 0.2 g |
| Saturated | 0.03 g |
| Unsaturated | 0.17 g |
| Sodium | 5 mg |
Low-GI recipes on Logi Food Coach
Heirloom tomato has a glycemic index of 15 (Low) and a glycemic load of 1 per 100 g.
Heirloom tomato has a low glycemic index (15), making it a good option for people with insulin resistance. It causes a slow, gradual rise in blood sugar.
Among the forms of Tomatoes in this database, Yellow tomato has the lowest glycemic load (0.5 per 100 g).
Check Heirloom tomato in the Logi app, with your portion.
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