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
0 g
per 1 tablespoon
These are the carbs that count on keto: total carbs minus fiber.
With just 0.1 g of net carbs per tablespoon and high in fat, it's ideal for keto.
Nutrition facts for mayonnaise
10.3 g
Fat
0.1 g
Protein
0 g
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.
Related
✓Yes
Hummus
3 g net
/ 2 tablespoons
✓Yes
Soy sauce
0 g net
/ 1 tablespoon
✓Yes
Guacamole
1 g net
/ 1/4 cup
✓Yes
Ranch dressing
1 g net
/ 2 tablespoons
✓Yes
Caesar dressing
1 g net
/ 2 tablespoons
✓Yes
Pesto
1 g net
/ 2 tablespoons
See all: Aderezos keto
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.
Something off? Let us know.
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