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Tonkotsu Ramen has an estimated glycemic index of 52 (range 47 to 58), which is low, and a glycemic load of 35 per serving (high). NutriOptio estimates one serving (1 bowl (approximately 400 g)) at 600 calories, with 25 g protein, 70 g carbohydrate and 25 g fat.

Japanese cuisine · Non-Vegetarian. Serving: 1 bowl (approximately 400 g).
| Nutrient | Per serving |
|---|---|
| Calories | 600 kcal |
| Protein | 25 g |
| Carbohydrate | 70 g |
| Fiber | 3 g |
| Sugars | 5 g |
| Added sugars | 0 g |
| Fat | 25 g |
| Saturated fat | 10 g |
| Sodium | 1200 mg |
Typical ingredients: wheat noodles, pork bone broth, soy sauce, mirin, green onions, garlic, ginger, sesame oil, nori (seaweed), soft-boiled egg, chashu (braised pork), menma (bamboo shoots), salt
| Dish | GL / serving | kcal / serving |
|---|---|---|
| Tekkadon | 33 | 450 |
| Dango | 32 | 220 |
| Mochi | 32 | 220 |
| Melon Pan | 30 | 350 |
| Miso Ramen | 30 | 450 |
NutriOptio estimates 600 calories in one serving (1 bowl (approximately 400 g)) of a typical tonkotsu ramen recipe. Your recipe and portion will change this.
A serving has an estimated glycemic load of 35, which is high (10 or under is low, 20 or over is high). Portion size and what you eat it with matter. This is general information, not medical advice.
NutriOptio grades a typical tonkotsu ramen D on Nutri-Score, where A is the best and E the lowest nutritional quality.
Your recipe is not the typical one. Photograph your plate or describe it, and NutriOptio grades your actual portion for glycemic load, Nutri-Score and processing.
Open the NutriOptio web appThese are the values the NutriOptio app gave for a typical tonkotsu ramen in October 2026. They are AI estimates and can change as the app is updated; search the dish in the app for its current estimate. Calories and nutrients are NutriOptio's AI estimate for a typical recipe and portion. The glycemic index is NutriOptio's reference value for this dish, estimated from its carbohydrate ingredients; glycemic load is computed from it and the serving's carbohydrate. Home and restaurant versions vary, sometimes a lot. General information, not medical advice.