Miso soup

Is Miso Soup Keto?

Miso soup, a staple in Japanese cuisine, is renowned for its savory taste and health benefits. As the keto diet continues to gain popularity, many wonder if this traditional soup aligns with its strict low-carb, high-fat guidelines. This article explores the compatibility of miso soup with the ketogenic lifestyle, delving into its nutritional content, health benefits, and how it can be adapted to fit a keto-friendly diet.

What is Miso Soup?

Miso soup is a traditional Japanese dish made primarily from miso paste, a fermented blend of soybeans, salt, and koji. The soup often includes tofu, seaweed, and green onions, contributing to its unique flavor profile. Miso paste, the core ingredient, is known for its rich umami taste.

The soup’s simple yet versatile nature allows for various additions, including vegetables and seafood. While traditionally high in sodium, miso soup is low in calories and offers a good balance of nutrients, making it a subject of interest for those following specific dietary regimens, such as the ketogenic diet.

The Keto Diet and Miso Soup

The ketogenic diet is a high-fat, low-carbohydrate eating plan designed to induce ketosis, a metabolic state where the body burns fat for energy instead of carbohydrates. For a food to be keto-friendly, it must be low in carbs yet rich in healthy fats and proteins. Miso soup, with its low carbohydrate content, primarily from the miso paste and minimal additions, can be a suitable option for those on a keto diet.

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However, attention must be paid to the ingredients used. Traditional miso soup recipes often include carb-rich items like noodles, which are not keto-compliant. By omitting or substituting these ingredients, miso soup can be easily adapted to fit a ketogenic lifestyle.

Nutritional Breakdown of Miso Soup

NutrientAmount per Serving
Calories50 kcal
Carbs7 g
Protein3 g
Fat2 g
Fiber1 g
Sodium900 mg

Health Benefits of Miso Soup

Miso soup offers several health benefits, making it a valuable addition to various diets, including keto. It’s a rich source of essential nutrients like protein and dietary fiber. The fermentation process of miso paste enhances its nutritional value, introducing beneficial probiotics that support gut health. These probiotics aid in digestion and bolster the immune system.

Miso is also packed with antioxidants, which combat oxidative stress and may reduce the risk of chronic diseases. Additionally, its high protein content contributes to muscle maintenance and satiety, which is crucial for weight management and overall well-being.

Customizing Miso Soup for Keto

  • Use low-carb miso paste variants.
  • Add keto-friendly vegetables like spinach, zucchini, or mushrooms.
  • Include proteins such as tofu, chicken, or shrimp.
  • Substitute noodles with shirataki noodles or zucchini spirals.
  • Enhance flavor with keto-compliant seasonings like ginger or garlic.

Keto-Friendly Miso Soup Recipes

Creating a keto-friendly miso soup is straightforward and allows for culinary creativity. Start with a base of dashi, a traditional Japanese broth, and add white or yellow miso paste for a milder flavor. For a heartier soup, incorporate diced tofu or shredded chicken. Vegetables like bok choy, mushrooms, and green onions add texture and nutrients without significant carbs.

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For those missing noodles, shirataki noodles are an excellent low-carb substitute, providing a similar texture without the carbs. Garnish with sesame seeds or a splash of tamari sauce for an extra layer of flavor. These simple adjustments transform traditional miso soup into a delicious, keto-friendly meal that can be enjoyed any time.


Miso soup, with its rich flavor and health benefits, can be a delightful addition to a ketogenic diet when prepared mindfully. By choosing low-carb ingredients and making simple modifications, this traditional Japanese dish can align with the keto lifestyle. Whether as a comforting meal or a nutritious appetizer, keto-friendly miso soup offers a harmonious blend of taste and health, proving that maintaining a diet can still be deliciously satisfying.