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
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.
Related
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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