Is Fermented Soybean Paste Keto?

Fermented

Fermented Soybean Paste is not keto due to its koji ingredient.

What You Need to Know

Fermented Soybean Paste contains koji, which is a type of mold used in the fermentation process. This ingredient contributes to the carbohydrate content, making it unsuitable for a ketogenic diet. The keto diet aims to keep carbohydrate intake very low, typically below 20-50 grams per day, and fermented soybean paste can exceed this limit with its hidden sugars and carbs.

Ingredient Breakdown

IngredientLactose-FreeGluten-FreeVeganNut-FreeHalalKeto
Salt Free Free Yes Free Yes Yes
Soybeans Free Free Yes Free Yes Yes
Koji Free Contains Yes Free Yes No

Keto Alternatives to Fermented Soybean Paste

Miso Nutritional Yeast Tamari Coconut Aminos

Frequently Asked Questions

Is Fermented Soybean Paste low in carbs?

No, it contains carbohydrates that can interfere with a keto diet.

Can I use Fermented Soybean Paste on a keto diet?

It's not recommended due to its carbohydrate content.

What are the carbs in Fermented Soybean Paste?

Fermented Soybean Paste typically contains around 5-10 grams of carbs per tablespoon.

What can I substitute for Fermented Soybean Paste on keto?

Consider using miso or tamari as low-carb alternatives.

Is miso paste keto-friendly?

Yes, miso paste can be keto-friendly in moderation compared to Fermented Soybean Paste.

Check Fermented Soybean Paste on Other Diets

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Review & Data Quality

Last reviewed: 2026-05-11

This verdict is generated from ingredient-level compatibility rules and refreshed regularly through our quality pipeline.

If you see incorrect ingredient or diet data, report it on the Contact page and include this page URL.