The short answer
Juice and zest add brightness for a gram or two of carbs.
A typical serving is 1 lemon (58 g). That has 17 calories, 0.6 g protein, 0.2 g fat and 3.8 g net carbs (5.4 g total carbs − 1.6 g fiber).
How many servings fit in your carb budget?
Based on using your entire daily net-carb limit on this one food, which you would not do in practice.
Lower-carb swaps for lemon
Nutrition facts
Per 100 g: 29 kcal · 6.5 g net carbs · 1.1 g protein · 0.3 g fat. Estimates vary by brand and preparation.
Frequently asked questions
Is lemon keto?
Lemon can fit a keto diet in small portions. A serving (1 lemon (58 g)) has about 3.8 g of net carbs, roughly 15% of a typical 25 g daily limit.
How many carbs are in lemon?
A serving of lemon (1 lemon (58 g)) has about 5.4 g of total carbohydrates and 1.6 g of fiber, which works out to roughly 3.8 g of net carbs. Per 100 g it has about 6.5 g of net carbs.
Can I eat lemon on a keto diet?
In small portions, yes. Juice and zest add brightness for a gram or two of carbs. Count it toward your daily net carb limit and keep the serving modest.
What can I eat instead of lemon?
Lower-carb swaps include strawberries, raspberries, blackberries, avocado.
More fruits
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