Is vegetable juice keto?
vegetable juice is not keto: it has ~16 g of net carbs per 1 cup, against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
16 g
per 1 cup
These are the carbs that count on keto: total carbs minus fiber.
With 16.76 g of net carbs per serving, vegetable juice contains concentrated sugars from juiced vegetables with most beneficial fiber removed, which can easily spike blood sugar.
Nutrition facts for vegetable juice
How many carbs are in vegetable juice?
vegetable juice has ~21 g of carbs and ~16 g of net carbs per 1 cup (total carbs minus 5 g of fiber).
Why vegetable juice is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; vegetable juice has 16 g per 1 cup (21 g total − 5 g of fiber).
How much vegetable juice can I eat on keto?
To stay under 5 g of net carbs, the limit is ~80 g of vegetable juice. A better keto alternative is celery.
Best keto alternative
Related
In moderation
In moderation
Yes
Yes
No
No
See all: Keto vegetables
Reviewed by the Ketorai team · Last updated: September 26, 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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