Diet lemonade is keto-friendly when sweetened with non-nutritive sweeteners (stevia/erythritol/monk fruit), typically delivering 0g net carbs. A small splash of real lemon juice adds flavor with minimal carbs if kept light—great for refreshing hydration on warm days.
Is Diet Lemonade Keto?

Diet lemonade is keto-friendly when sweetened with non-nutritive sweeteners (stevia/erythritol/monk fruit), typically delivering 0g net carbs. A small splash of real lemon juice adds flavor with minimal carbs if kept light—great for refreshing hydration on warm days.
- Net carbs (100g)0-1g
- Protein (100g)0g
- Fat (100g)0g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100g (raw)
Source: USDA FoodData Central
WHY IT'S KETO-FRIENDLY
- Usually 0g net carbs when made with non-nutritive sweeteners
- A modest squeeze of lemon adds flavor with minimal carbs
- Hydration without sugar and with minimal glycemic impact for most people
- Works as a base for electrolyte add-ins (sodium, potassium, magnesium)
- Helps satisfy a sweet craving without breaking ketosis
- Smarter swap for regular lemonade
HEALTH BENEFITS
- Promotes hydration during keto (especially in hot climates)
- Provides a little vitamin C if lemon juice is used
- Very low calorie—supports weight-management goals
- Can help reduce reliance on sugary beverages
- Caffeine-free refresher for any time of day
- Pairs well with salt to support electrolyte balance
PREPARATION SUGGESTIONS
HOMEMADE FRESH
Stir 1–2 tsp fresh lemon juice into cold water; sweeten with stevia, erythritol, or monk fruit to taste.
HERB-INFUSED
Add crushed mint, basil, or rosemary and let sit on ice for aromatic notes.
BERRY TWIST (VERY LIGHT)
Muddle 2–3 raspberries or a few strawberry slices, then strain to keep carbs low.
SPARKLING CITRUS
Use chilled sparkling water with lemon juice and a low-carb sweetener for a fizzy option.
GINGER ZING
Add fresh ginger slices; optional pinch of salt for a simple DIY electrolyte drink.
KETO COCKTAIL
Mix diet lemonade with vodka or gin over ice; garnish with lemon peel.