Flavored water is not keto: it has ~13 g of net carbs per 1 glass (250 ml), against the keto diet's 5 g-per-serving limit.
Net carbs
13 g
per 1 glass (250 ml)
These are the carbs that count on keto: total carbs minus fiber.
It has about 13.5 g of net carbs per glass, since it usually contains added sugar, and it's easy to overdo it by drinking several.
Nutrition facts for flavored water
Why flavored water is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; flavored water has 13 g per 1 glass (250 ml) (13 g total − 0 g of fiber).
How much flavored water can I eat on keto?
To stay under 5 g of net carbs, the limit is ~93 g of flavored water. A better keto alternative is agua con gas.
Best keto alternative
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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.
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