Lemon — 29 kcal

29
Calories
per 100 g
Protein
1.1 g
Fat
0.3 g
Carbohydrates
9.3 g

Beyond their famous vitamin C content, lemons provide citric acid that may enhance mineral absorption. Lemon juice is a zero-calorie way to flavor water and dishes while adding a nutritional boost.

Protein 10% Fat 6% Carbohydrates 84%

Nutrition Facts

Nutrient Per 100 g Per serving
Calories29 kcal17 kcal
Protein1.1 g0.6 g
Fat0.3 g0.2 g
Carbohydrates9.3 g5.4 g
Fiber2.8 g1.6 g
Sugar2.5 g1.4 g
Water88.9 g51.6 g
Vitamins & Minerals
Vitamin C53 mg59%
Folate11 µg3%
Potassium138 mg3%
Calcium26 mg2%
Copper0.037 mg4%
Source: USDA FoodData Central

Serving Calculator

grams
Per 100 g
29
kcal
1.1
Protein
0.3
Fat
9.3
Carbohydrates

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Is Lemon high in sugar? Can diabetics eat it?
Lemon contains 9.3g of carbohydrates per 100g, which includes natural sugars. People with diabetes can enjoy Lemon in moderation — a standard serving (17 kcal) is a reasonable portion. Pairing it with protein or healthy fats can slow sugar absorption.
When is the best time to eat Lemon?
There is no single 'best' time to eat Lemon. It works well as a morning energy boost, a pre-workout snack 30–60 minutes before exercise, or a healthy dessert alternative after meals. The 29 kcal per 100g makes it an easy addition to any part of your day.
What vitamins and minerals does Lemon provide?
Lemon is a natural source of essential vitamins and minerals. Most fruits are rich in vitamin C, potassium, and dietary fiber (2.8g per 100g for Lemon). Check the full nutrition table above for the complete micronutrient profile.
Is Lemon available year-round or seasonal?
Availability varies by region. In most markets Lemon can be found year-round thanks to global supply chains, though flavor and price tend to be best during peak season. Frozen Lemon retains most nutrients and is a reliable off-season option.
Can I eat Lemon while trying to lose weight?
At 29 kcal per 100g, Lemon is a nutrient-dense choice that fits well into most weight-loss plans. Its 2.8g of fiber per 100g helps promote satiety. Just be mindful of portion sizes — a single serving runs about 17 kcal.
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