Is Lemon water keto?
Lemon water is keto: it has ~1 g of net carbs per 1 glass (with juice of 1/2 lemon), within the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
1 g
per 1 glass (with juice of 1/2 lemon)
These are the carbs that count on keto: total carbs minus fiber.
It is highly keto-friendly, containing only 1.0 g of net carbs per glass with no added sugars.
Nutrition facts for lemon water
How many carbs are in lemon water?
Lemon water has ~1 g of carbs and ~1 g of net carbs per 1 glass (with juice of 1/2 lemon) (total carbs minus 0 g of fiber).
Why lemon water is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; lemon water has 1 g per 1 glass (with juice of 1/2 lemon) (1 g total − 0 g of fiber).
How much lemon water can I eat on keto?
To stay under 5 g of net carbs, the limit is ~1250 g of lemon water.
Related
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See all: Keto drinks
Reviewed by the Ketorai team · Last updated: October 16, 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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