Is Peanut butter keto?
Peanut butter is keto only in small portions: it has ~5 g of net carbs per 2 tablespoons, against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
5 g
per 2 tablespoons
These are the carbs that count on keto: total carbs minus fiber.
Peanut butter is moderate for keto with 5.4g net carbs per serving. It's easy to overeat, so portion control is crucial.
Nutrition facts for peanut butter
How many carbs are in peanut butter?
Peanut butter has ~8 g of carbs and ~5 g of net carbs per 2 tablespoons (total carbs minus 2 g of fiber).
Why peanut butter is keto only in small portions?
On keto the goal is to stay under ~5 g of net carbs per serving; peanut butter has 5 g per 2 tablespoons (8 g total − 2 g of fiber).
How much peanut butter can I eat on keto?
To stay under 5 g of net carbs, the limit is ~30 g of peanut butter.
Related
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.
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