Is Sourdough bread keto?
Sourdough bread is not keto: it has ~18 g of net carbs per 1 slice (medium), against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
18 g
per 1 slice (medium)
These are the carbs that count on keto: total carbs minus fiber.
Sourdough bread is not keto-friendly, as one slice contains 18.8 grams of net carbs.
Nutrition facts for sourdough bread
How many carbs are in sourdough bread?
Sourdough bread has ~20 g of carbs and ~18 g of net carbs per 1 slice (medium) (total carbs minus 1 g of fiber).
Why sourdough bread is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; sourdough bread has 18 g per 1 slice (medium) (20 g total − 1 g of fiber).
How much sourdough bread can I eat on keto?
To stay under 5 g of net carbs, the limit is ~11 g of sourdough bread.
Related
No
No
In moderation
No
No
No
Keto recipes with sourdough bread
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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