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Sparkling mineral water with lemon
✓
Yes
it's keto

Sparkling mineral water with lemon

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Also: Sparkling water with lemon and Lemon soda water

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Sparkling mineral water with lemon is keto: it has ~0 g of net carbs per 1 glass, within the keto diet's 5 g-per-serving limit.

Net carbs

0 g

per 1 glass

These are the carbs that count on keto: total carbs minus fiber.

It has just 0.6 g of net carbs per glass, since the splash of lemon adds only a minimal amount of sugar.

Nutrition facts for sparkling mineral water with lemon

0 g
Fat
0 g
Protein
0.1 g
Fiber

Why sparkling mineral water with lemon is keto?

On keto the goal is to stay under ~5 g of net carbs per serving; sparkling mineral water with lemon has 0 g per 1 glass (0 g total − 0 g of fiber).

How much sparkling mineral water with lemon can I eat on keto?

To stay under 5 g of net carbs, the limit is ~2083 g of sparkling mineral water with lemon.

Related

Diet soda ✓Yes
Diet soda
0 g net / 1 glass (240 ml)
Sparkling water ✓Yes
Sparkling water
0 g net / 1 glass
Cortado ✓Yes
Cortado
1 g net / 1 small cup (about 75 ml)
Water ✓Yes
Water
0 g net / 1 glass
Coffee ✓Yes
Coffee
0 g net / 1 cup
Almond milk ✓Yes
Almond milk
0 g net / 1 glass (240 ml)

See all: Bebidas 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.

Something off? Let us know.

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