Is Soy milk keto?
Soy milk is keto only in small portions: it has ~6 g of net carbs per 1 glass, against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
6 g
per 1 glass
These are the carbs that count on keto: total carbs minus fiber.
Soy milk has 6.5g of net carbs per serving, which is moderate for a keto diet.
Nutrition facts for soy milk
How many carbs are in soy milk?
Soy milk has ~8 g of carbs and ~6 g of net carbs per 1 glass (total carbs minus 1 g of fiber).
Why soy milk is keto only in small portions?
On keto the goal is to stay under ~5 g of net carbs per serving; soy milk has 6 g per 1 glass (8 g total − 1 g of fiber).
How much soy milk can I eat on keto?
To stay under 5 g of net carbs, the limit is ~185 g of soy milk. A better keto alternative is leche de almendras.
Best keto alternative
Related
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See all: Keto drinks
Reviewed by the Ketorai team · Last updated: July 5, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Something off? Let us know.
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