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Corn
No
not keto

Corn

Grain

Also: maize, sweetcorn, and corn on the cob

Corn is not keto: it has ~24 g of net carbs per 1 cup (≈150 g), against the keto diet's 5 g-per-serving limit.

Net carbs

24 g

per 1 cup (≈150 g)

These are the carbs that count on keto: total carbs minus fiber.

It's a starchy grain: too many net carbs for keto.

Nutrition facts for corn

2 g
Fat
5 g
Protein
3 g
Fiber

Why corn is not keto?

On keto the goal is to stay under ~5 g of net carbs per serving; corn has 24 g per 1 cup (≈150 g) (27 g total − 3 g of fiber).

How much corn can I eat on keto?

To stay under 5 g of net carbs, the limit is ~31 g of corn. A better keto alternative is coliflor.

Best keto alternative

Related

See all: Cereales keto

Source: manually verified data · 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.