Is prune juice keto?
prune juice is not keto: it has ~41 g of net carbs per 1 cup, against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
41 g
per 1 cup
These are the carbs that count on keto: total carbs minus fiber.
Prune juice is extremely high in concentrated sugars, yielding over 41 g of net carbs per serving which will quickly kick you out of ketosis.
Nutrition facts for prune juice
How many carbs are in prune juice?
prune juice has ~44 g of carbs and ~41 g of net carbs per 1 cup (total carbs minus 2 g of fiber).
Why prune juice is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; prune juice has 41 g per 1 cup (44 g total − 2 g of fiber).
How much prune juice can I eat on keto?
To stay under 5 g of net carbs, the limit is ~30 g of prune juice.
Related
No
In moderation
In moderation
No
Yes
No
See all: Keto fruits
Reviewed by the Ketorai team · Last updated: August 29, 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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