Is Natto Keto?

Fermented

Yes, Natto is keto-friendly due to its low carbohydrate content.

What You Need to Know

Natto is made from fermented soybeans and is low in carbohydrates, making it suitable for a ketogenic diet. The fermentation process also enhances its nutritional profile, providing protein and beneficial probiotics while keeping carbs minimal.

For those on a keto diet, incorporating Natto can add variety to meals. It can be enjoyed as a side dish or mixed into salads and bowls, providing a nutritious boost without compromising carb limits. Just ensure to monitor portion sizes to stay within your daily carb goals.

Ingredient Breakdown

IngredientLactose-FreeGluten-FreeVeganNut-FreeHalalKeto
Soybeans Free Free Yes Free Yes Yes
Bacillus subtilis Free Free Yes Free Yes Yes

Keto Alternatives to Natto

Tofu Cheese Avocado Olives

Frequently Asked Questions

Can I eat Natto on a keto diet?

Yes, Natto is low in carbs and fits well within a keto diet.

What are the nutritional benefits of Natto?

Natto is rich in protein, vitamins, and probiotics, supporting gut health.

How many carbs are in Natto?

Natto contains approximately 3 grams of carbohydrates per 100 grams.

Is Natto high in protein?

Yes, Natto is high in protein, making it a great choice for muscle maintenance.

What can I use instead of Natto on keto?

Consider using tofu or cheese as alternatives to Natto on a keto diet.

Check Natto on Other Diets

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Review & Data Quality

Last reviewed: 2026-05-06

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.