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  4. Lemon juice

A 250 ml glass of this juice has ~6.3 g sugar — like several pieces of fruit. The per-100 g profile is 22 kcal and 2.5 g sugar. Even 100% juice without sweetening tracks closer to soda than to fruit for satiety.

About this food

How should I track Lemon juice?

Liquid calories from Lemon juice are easy to overlook because drinks do not trigger the same fullness signals as solid food. A meta-analysis (Wehling & Lusher, Am J Clin Nutr 2021) confirmed that people underreport beverage intake more than solid food. Most people pour 30–50% more than the label serving size without realizing it. Use a kitchen scale to weigh your glass or bottle once — you will know your exact pour going forward. This one calibration step can save you from hundreds of untracked calories per week.

Macro Breakdown

Macro Split: 5% Protein, 89% Carbs, 6% Fat
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Plant-Based Protein

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Evidence-based. Peer-reviewed. Adapted to you.

Track Lemon juice — every calorie counts

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Carbs89%
Protein5%0.4g
Carbs89%6.9g
Fat6%0.2g

Nutrition Facts

Per 100g. Percentages reflect Daily Value (DV).

Energy
  • Calories
    22kcal—
Macronutrients
  • Protein
    0.4g1%
  • Carbohydrates
    6.9g—
  • Fat
    0.2g—
  • Fiberathlete
    0.3g1%
  • Sugar
    2.5g—
  • Saturated Fat
    0.0g—
Minerals
  • Sodium
    1mg—
  • Calciumathlete
    6mg0%
  • Ironathlete
    0mg1%
Vitamins
  • Vitamin Dathlete
    0.0mcg0%

% Daily Value based on FDA 2,000 kcal reference diet. Strength trainees have different needs — see highlighted nutrients.

Serving Calculator

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Lemon juice — values for 100g

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Primary macros

Calories
22
kcal
Protein
0.4
g
Carbs
6.9
g
Fat
0.2
g

More nutrients

Fiber
0.3g
Sugar
2.5g
Sat. Fat
0.0g
Sodium
1mg
Calcium
6mg
Iron
0mg
Potassium
103mg
Magnesium
6mg
Zinc
0mg
Vitamin D
0.0mcg

Frequently Asked Questions

Liquid calories from Lemon juice are easy to overlook because drinks do not trigger the same fullness signals as solid food. A meta-analysis (Wehling & Lusher, Am J Clin Nutr 2021) confirmed that people underreport beverage intake more than solid food. Most people pour 30–50% more than the label serving size without realizing it. Use a kitchen scale to weigh your glass or bottle once — you will know your exact pour going forward. This one calibration step can save you from hundreds of untracked calories per week.

Lemon juice contains 0.4g protein per 100g, which is lower in protein. A 100g serving provides 0.4g protein.

Yes, Lemon juice can support weight loss. At 22 kcal per 100g it is low in calorie density, allowing larger portions for fewer calories.

Lemon juice can fit into a keto diet in moderate amounts. At 6.6g net carbs per 100g, smaller portions can stay within the daily limit.

Lemon juice provides 22 kcal, 0.4g protein, 6.9g carbs, and 0.2g fat per 100g. Compare with other beverages foods in our database to find the best option for your nutritional goals.

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43 kcal0.4g protein

Dairy Products

Yogurt, plain, nonfat

56 kcal5.7g protein

Legumes & Pulses

Bean sprouts, mung

31 kcal3.0g protein

Condiments & Sauces

Tomato sauce, canned

29 kcal1.3g protein

Food product photo

Beverages

Lemon juice

Macros per 100g

22
Calories
Protein0.4g
Fat0.2g
Carbs6.9g
Article research basis
1,316Papers Analyzed
4,659Foods in Database
100%Peer-Reviewed Sources
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Reviewed by Calibr8

Peer-reviewed data · Last updated March 24, 2026

Potassium
103mg2%
  • Magnesiumathlete
    6mg1%
  • Zincathlete
    0mg1%