Oat bran is keto only in small portions: it has ~12 g of net carbs per 1/4 cup (dry), against the keto diet's 5 g-per-serving limit.
Net carbs
12 g
per 1/4 cup (dry)
These are the carbs that count on keto: total carbs minus fiber.
It has about 12 g of net carbs per serving, so it's easy to overeat and you should measure the amount carefully.
Nutrition facts for oat bran
1.7 g
Fat
4 g
Protein
3.6 g
Fiber
Why oat bran is keto only in small portions?
On keto the goal is to stay under ~5 g of net carbs per serving; oat bran has 12 g per 1/4 cup (dry) (15 g total − 3 g of fiber).
How much oat bran can I eat on keto?
To stay under 5 g of net carbs, the limit is ~10 g of oat bran. A better keto alternative is almendras.
Best keto alternative
Related
✕No
Corn
24 g net
/ 1 cup (≈150 g)
✕No
Oatmeal
23 g net
/ 1 cup cooked
✕No
Rice
43 g net
/ 1 cup
✕No
Brown rice
42 g net
/ 1 cup cooked
✕No
Wheat
28 g net
/ 1/4 cup, raw
✕No
Quinoa
34 g net
/ 1 cup cooked
See all: Cereales keto
Source: nutritional estimate (USDA-style reference) · Confidence: medium
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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