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In moderation
yes, in small amounts

soy flour

Legume

Also: soya flour

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Is soy flour keto?

soy flour is keto only in small portions: it has ~4 g of net carbs per 1/4 cup, against the keto diet's 5 g-per-serving limit.

Net carbs = total − fiber

4 g

per 1/4 cup

These are the carbs that count on keto: total carbs minus fiber.

A standard 1/4 cup serving contains 4.2 grams of net carbs, making it a suitable low-carb alternative for baking.

Nutrition facts for soy flour

0.3 g
Fat
13.4 g
Protein
4.6 g
Fiber

How many carbs are in soy flour?

soy flour has ~8 g of carbs and ~4 g of net carbs per 1/4 cup (total carbs minus 4 g of fiber).

Why soy flour is keto only in small portions?

On keto the goal is to stay under ~5 g of net carbs per serving; soy flour has 4 g per 1/4 cup (8 g total − 4 g of fiber).

How much soy flour can I eat on keto?

To stay under 5 g of net carbs, the limit is ~31 g of soy flour.

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Related

Source: nutritional estimate (USDA-style reference) · Confidence: high
Reviewed by the Ketorai team · Last updated: September 21, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
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