Corn is not keto: it has ~18 g of net carbs per 1 medium ear, against the keto diet's 5 g-per-serving limit.
Net carbs
18 g
per 1 medium ear
These are the carbs that count on keto: total carbs minus fiber.
It provides about 18.6 g of net carbs per ear and has a high glycemic index, so it isn't keto-friendly.
Nutrition facts for corn
1.4 g
Fat
3.3 g
Protein
2.4 g
Fiber
Why corn is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; corn has 18 g per 1 medium ear (21 g total − 2 g of fiber).
How much corn can I eat on keto?
To stay under 5 g of net carbs, the limit is ~27 g of corn. A better keto alternative is coliflor.
Best keto alternative
Related
✕No
Butternut squash
13 g net
/ 1 cup, cubed
✓Yes
Cabbage
3 g net
/ 1 cup, chopped
✓Yes
Broccoli
3 g net
/ 1 cup chopped
✓Yes
Onion
4 g net
/ 1/2 medium onion
✓Yes
Green bean
4 g net
/ 1 cup
~In moderation
Spaghetti squash
7 g net
/ 1 cup, cooked
See all: Verduras 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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