Is Mayonnaise keto?
Mayonnaise is keto: it has ~0 g of net carbs per 1 tablespoon, within the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
0 g
per 1 tablespoon
These are the carbs that count on keto: total carbs minus fiber.
Mayonnaise is keto-friendly with only 0.1 g of net carbs per serving.
Nutrition facts for mayonnaise
How many carbs are in mayonnaise?
Mayonnaise has ~0 g of carbs and ~0 g of net carbs per 1 tablespoon (total carbs minus 0 g of fiber).
Why mayonnaise is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; mayonnaise has 0 g per 1 tablespoon (0 g total − 0 g of fiber).
How much mayonnaise can I eat on keto?
To stay under 5 g of net carbs, the limit is ~700 g of mayonnaise.
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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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