Japanese White Shiro Miso Paste
Quick answer
A medium portion of Japanese White Shiro Miso Paste (18 g) contains 35 kcal, with 3.6 g of net carbohydrates and 2.2 g of protein. Its glycemic index is 30 (Low) for how fast it raises blood sugar, while its glycemic load per portion is 1.1 (Low) for its actual effect.
- Carbs4.5 g50.6%
- Protein2.2 g24.3%
- Fat1 g25.1%
- Fibre0.9 g
Percentages of total energy (calories)
A paste of soybeans and rice, briefly fermented with natural koji mould; mildly sweet and creamy with a light golden colour, and unpasteurised miso may contain live cultures from fermentation, with a low glycemic index (30).
💡 Smart Nutritional Guidance
Consumption advice
Never boil miso over high heat; dissolve it in warm broth after turning off the heat to preserve any live cultures and enzymes.
Best preparation methods
Miso is high in salt; one spoonful is enough for a whole bowl of soup, which matters if you have high blood pressure.
Important Nutritional Note
Halal consumer note: some brands add ethanol as a preservative to stop fermentation in the pack; check that the ingredient list contains no alcohol (alcohol/spirit).
Nutrition facts
| Nutrient | Per 100 g | Per typical portion (18 g) |
|---|---|---|
| Calories | 195 kcal | 35.1 kcal |
| Protein | 12 g | 2.2 g |
| Carbohydrate | 25 g | 4.5 g |
| Available carbohydrate | 20.2 g | 3.6 g |
| Fat | 5.5 g | 1 g |
| Dietary fibre | 4.8 g | 0.9 g |
The typical portion is approximate, for comparison purposes.
Comparison & smarter alternatives
Among the foods in Sauces, pickles & olives with a glycemic index (21), it ranks 15 (lowest first).
Smart alternatives from the same family:
Frequently asked questions
Is Japanese White Shiro Miso Paste good for weight loss?
It can be included in moderation: it contains 4.8 g of fibre per 100 g, which supports fullness, and a 18 g portion gives 35 kcal.
How does Japanese White Shiro Miso Paste affect blood sugar?
Its glycemic index is 30 (Low), a clinically reviewed estimate rather than a laboratory measurement. A typical 18 g portion has a glycemic load of 1.1 (Low), so the effect of this portion on blood sugar is limited.
What is the nutritional value of a typical portion of Japanese White Shiro Miso Paste?
A typical 18 g portion of Japanese White Shiro Miso Paste provides about 35 kcal, 2.2 g protein, 4.5 g carbohydrate, 1 g fat and 0.9 g fibre.
Read also
- Prediabetes: How to Stop the Train and Lower Your HbA1cGuide
- Gestational Diabetes Guide: Normal Levels and Foods to EatGuide
References & Scientific Sources
- The glycemic index of this food is a clinically reviewed estimate by the WiBo Health medical team, not a laboratory measurement from the International GI Tables (Atkinson 2021). GI bands (low ≤ 55 · medium 56–69 · high ≥ 70) follow: ISO 26642:2010. Food products — Determination of the glycaemic index (GI) and recommendation for food classification. International Organization for Standardization; 2010. www.iso.org/standard/43633.html
- Definition of available carbohydrate and glycemic load: FAO/WHO. Carbohydrates in human nutrition: report of a joint FAO/WHO expert consultation. FAO Food and Nutrition Paper 66. Rome; 1998. www.fao.org/4/w8079e/w8079e00.htm
Reviewed by the WiBo Health medical team · Last reviewed 13 October 2026
Disclaimer: This guidance is for nutritional lifestyle orientation and does not constitute a diagnostic medical device under EU Regulation MDR 2017/745.