Blackberry is keto only in small portions: it has ~6 g of net carbs per 1 cup, against the keto diet's 5 g-per-serving limit.
Net carbs
6 g
per 1 cup
These are the carbs that count on keto: total carbs minus fiber.
Has about 6.2 g of net carbs per cup, which is fine in controlled portions, but it's easy to overeat.
Nutrition facts for blackberry
0.7 g
Fat
2 g
Protein
7.6 g
Fiber
Why blackberry is keto only in small portions?
On keto the goal is to stay under ~5 g of net carbs per serving; blackberry has 6 g per 1 cup (13 g total − 7 g of fiber).
How much blackberry can I eat on keto?
To stay under 5 g of net carbs, the limit is ~116 g of blackberry. A better keto alternative is frambuesa.
Best keto alternative
Related
✕No
Mango
46 g net
/ 1 medium fruit
✕No
Banana
23 g net
/ 1 medium banana
✕No
Grapes
25 g net
/ 1 cup (stems removed)
~In moderation
Pineapple
9 g net
/ 1 medium slice
✕No
Blueberry
17 g net
/ 1 cup
✕No
Apple
20 g net
/ 1 medium apple
See all: Frutas 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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