Peanut butter is keto: it has ~5 g of net carbs per 2 tablespoons, within the keto diet's 5 g-per-serving limit.
Net carbs
5 g
per 2 tablespoons
These are the carbs that count on keto: total carbs minus fiber.
It has about 5 g of net carbs per 2-tablespoon serving; choose the natural version with no added sugar and watch your portion size, since it's easy to overeat.
Nutrition facts for peanut butter
16 g
Fat
8 g
Protein
2 g
Fiber
Why peanut butter is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; peanut butter has 5 g per 2 tablespoons (7 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 ~32 g of peanut butter.
Related
Source: nutritional estimate (USDA-style reference) · Confidence: high
Reviewed by the Ketorai team · Last updated: July 1, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Reviewed by the Ketorai team · Last updated: July 1, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
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