How healthy is miso soup?

Is miso soup healthy? Yes, for most people. Miso soup scores 47/100 on the HowHealthyIs Score: 100 g provides 40 kcal, 4.1 g protein and 1.1 mg iron. Miso soup is a light broth of dashi and fermented soybean paste with tofu and seaweed: few calories and a little plant protein, but most of its character, and its salt, comes from the miso. Source: standard recipe, USDA FoodData Central ingredients.

  • Source of protein
  • Source of vitamin B12
  • Low calorie
Score explained

The score compares nutrient density per 100 kcal across every food we cover (NRF9.3 method). Miso soup ranks higher than 47% of them.

Counts in favor (% daily value per 100 kcal)

  • Protein20%
  • Iron15%
  • Calcium13%
  • Magnesium10%
  • Potassium9%
  • Fiber4%
  • Vitamin E3%
  • Vitamin C2%
  • Vitamin A1%

Counts against

  • Saturated fat4%
  • Added sugars0%
  • Sodium42%

Raw NRF9.3: 76 minus 46 = 30. The score is not a verdict on whether to eat a food; portion, the whole meal and your own health matter more. Full methodology

How many calories are in miso soup?

Calories96kcal
Protein9.8g
Carbohydrates5.4g
Fat4.4g
Fiber1.1g
Sugars1.3g
Nutrition facts for miso soup. Per 100 g and for the selected portion (240 g). %DV uses FDA Daily Values.
NutrientPer 100 gPer portion%DV
Energy and macronutrients
Calories40 kcal96 kcal
Protein4.1 g9.8 g20%
Carbohydrates2.2 g5.4 g2%
Fiber0.5 g1.1 g4%
Sugars0.6 g1.3 g
Added sugars0 g0 g0%
Fat1.8 g4.4 g6%
Saturated fat0.3 g0.8 g4%
Omega-3 fats0.2 g0.4 g
Vitamins
Vitamin A3.4 µg8.1 µg1%
Vitamin C0.6 mg1.3 mg1%
Vitamin D0 µg0 µg0%
Vitamin E0.2 mg0.4 mg3%
Vitamin K6.7 µg16 µg13%
Vitamin B120.6 µg1.4 µg59%
Folate11 µg26 µg6%
Minerals
Calcium66 mg159 mg12%
Iron1.1 mg2.6 mg15%
Potassium160 mg385 mg8%
Magnesium16 mg39 mg9%
Zinc0.3 mg0.8 mg8%
Sodium387 mg928 mg40%

Estimated from the standard recipe below, using USDA FoodData Central values for each ingredient. Values rounded.

What is in a standard miso soup?

We estimate miso soup from this standard recipe (serves 4, about 950 g cooked), using USDA values for each ingredient. Home and restaurant versions vary. Dashi is modeled as home-prepared fish stock, since SR Legacy has no dashi item.

Ingredients for the whole recipe
IngredientAmount
Dashi (modeled as fish stock)800 g
Miso paste60 g
Tofu, cubed150 g
Wakame seaweed, rehydrated20 g
Scallions20 g

Why is miso soup good for you?

  • 1.4 µg vitamin B12 in 1 bowl, 59% of the daily value. Vitamin B12 contributes to the normal formation of red blood cells.
  • 9.8 g protein in 1 bowl, 20% of the daily value. Protein contributes to the maintenance of muscle mass.
  • 2.6 mg iron in 1 bowl, 15% of the daily value. Iron contributes to the normal formation of red blood cells.

Good ways to use it

  • A warm, low-calorie starter
  • Adding extra tofu and greens to make it more filling

What should you watch out for?

  • Miso is salty, so a bowl adds a noticeable amount of sodium.
  • Instant packets are often saltier than homemade.

Which dishes score higher?

Other dishes with more nutrition per calorie. Variety matters more than picking one winner.

How does miso soup compare?

Common questions about miso soup

How many calories are in miso soup?
100 g of miso soup has 40 kcal. A typical portion, 1 bowl (240 g), has about 96 kcal.
How much protein is in miso soup?
Miso soup has 4.1 g of protein per 100 g, or about 9.8 g in 1 bowl.
Is miso soup good for weight loss?
Miso soup is low in calories (40 kcal per 100 g), so it adds volume to meals without many calories. No single food causes weight loss; the overall diet does.

Sources

  1. U.S. Department of Agriculture. FoodData Central, SR Legacy, values for each recipe ingredient (FDC IDs 172885, 172442, 172476, 170496, 170005). fdc.nal.usda.gov
  2. U.S. Food and Drug Administration. Daily Value on the Nutrition and Supplement Facts Labels (21 CFR 101.9).
  3. Fulgoni VL, Keast DR, Drewnowski A. Development and validation of the Nutrient-Rich Foods Index. J Nutr. 2009;139(8):1549-1554.
  4. Monteiro CA, et al. Ultra-processed foods: what they are and how to identify them. Public Health Nutr. 2019;22(5):936-941.

Review and updates

Last updated
Data source
USDA FoodData Central, per ingredient. Not individually reviewed by a dietitian. How we check

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More: Dishes & meals ranked, foods high in protein.