USDA reference food · Fruits and Fruit Juices

Lemon juice, raw

1 cup of lemon juice, raw (244 g) has 50 calories, less than 1g of protein, 0.5g of fat and less than 1g of fiber (USDA FoodData Central, SR Legacy, FDC 167747). It is one of 6 USDA descriptions of lemon juice.

FoodData Central 167747, SR Legacy, in the April 30, 2026 release; USDA record.

Nutrition Facts

Serving size1 cup (244g)

AmountPortion

Amount per serving

Calories50

% Daily Value*

Total Fat 0.5g1%

Saturated Fat 0g0%

Trans Fat 0g

Cholesterol 0mg0%

Sodium 0mg0%

Total Carbohydrate 17g6%

Dietary Fiber <1g3%

Total Sugars 6g

Includes Added Sugars not declared

Protein <1g2%

Vitamin D 0mcg0%

Calcium 10mg1%

Iron 0.2mg1%

Potassium 250mg5%

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.

USDA values per 100 g (SR Legacy), scaled to the portion. Check the USDA record.

Protein per 100 g: 0.4g; more than 8% of 8,218 USDA reference foods
Calories per 100 g: 22; more than 4% of reference foods
Fiber per 100 g: 0.3g; more than 48% of reference foods

What a portion gives you

Fiber less than 1g3%

Protein less than 1g2%

Potassium 250mg5%

Calcium 10mg1%

Iron 0.2mg1%

Sodium 0mg0%

Ticks: 5% of the Daily Value (FDA: low) and 20% (high)

Source: USDA FoodData Central, SR Legacy (FDC 167747); FDA Daily Values, 21 CFR 101.9.

Also rich in

Vitamin C94 mg in 1 cup (244 g), 105% of the Daily Value
Folate49 µg DFE in 1 cup (244 g), 12% of the Daily Value

Source: USDA FoodData Central (FDC 167747), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.

Where the calories come from: 89% carbohydrate, 7% fat and 4% protein (4 calories a gram of protein or carbohydrate, 9 of fat).

Where it sits among USDA reference foods

Per 100 g	This food	Share with less
Calories	22.0	4%
Protein	0.35 g	8%
Total fat	0.24 g	15%
Carbohydrate	6.90 g	48%
Fiber	0.30 g	48%
Total sugars	2.52 g	58%
Sodium	1.00 mg	4%

Source: USDA FoodData Central, SR Legacy and Foundation Foods: the 6,012 to 8,218 reference foods that report each value; the share of them with less per 100 g.

Every nutrient in this record (103)

The portion is 1 cup (244 g); % DV is for that portion.

Energy, macronutrients and sugars (21)

Nutrient	Per portion	Per 100 g	% DV
Protein	0.85 g	0.35 g	2%
Total lipid (fat)	0.59 g	0.24 g	1%
Carbohydrate, by difference	16.8 g	6.90 g	6%
Ash	0.51 g	0.21 g
Energy	53.7 kcal	22.0 kcal
Starch	0 g	0 g
Sucrose	1.05 g	0.43 g
Glucose	2.42 g	0.99 g
Fructose	2.68 g	1.10 g
Lactose	0 g	0 g
Maltose	0 g	0 g
Alcohol, ethyl	0 g	0 g
Water	225 g	92.3 g
Total Sugars	6.15 g	2.52 g
Galactose	0 g	0 g
Fiber, total dietary	0.73 g	0.30 g	3%
Cholesterol	0 mg	0 mg	0%
Fatty acids, total trans	0 g	0 g
Fatty acids, total saturated	0.098 g	0.040 g	0%
Fatty acids, total monounsaturated	0.015 g	0.0060 g
Fatty acids, total polyunsaturated	0.051 g	0.021 g

Minerals (10)

Nutrient	Per portion	Per 100 g	% DV
Calcium, Ca	14.6 mg	6.00 mg	1%
Iron, Fe	0.20 mg	0.080 mg	1%
Magnesium, Mg	14.6 mg	6.00 mg	3%
Phosphorus, P	19.5 mg	8.00 mg	2%
Potassium, K	251 mg	103 mg	5%
Sodium, Na	2.44 mg	1.00 mg	0%
Zinc, Zn	0.12 mg	0.050 mg	1%
Copper, Cu	0.039 mg	0.016 mg	4%
Manganese, Mn	0.029 mg	0.012 mg	1%
Selenium, Se	0.24 µg	0.10 µg	0%

Vitamins (24)

Nutrient	Per portion	Per 100 g	% DV
Retinol	0 µg	0 µg
Vitamin A, RAE	0 µg	0 µg	0%
Carotene, beta	2.44 µg	1.00 µg
Carotene, alpha	0 µg	0 µg
Vitamin E (alpha-tocopherol)	0.37 mg	0.15 mg	2%
Vitamin D (D2 + D3)	0 µg	0 µg	0%
Cryptoxanthin, beta	9.76 µg	4.00 µg
Lycopene	0 µg	0 µg
Lutein + zeaxanthin	36.6 µg	15.0 µg
Vitamin C, total ascorbic acid	94.4 mg	38.7 mg	105%
Thiamin	0.059 mg	0.024 mg	5%
Riboflavin	0.037 mg	0.015 mg	3%
Niacin	0.22 mg	0.091 mg	1%
Pantothenic acid	0.32 mg	0.13 mg
Vitamin B-6	0.11 mg	0.046 mg	7%
Folate, total	48.8 µg	20.0 µg
Vitamin B-12	0 µg	0 µg	0%
Choline, total	12.4 mg	5.10 mg	2%
Vitamin K (phylloquinone)	0 µg	0 µg	0%
Folic acid	0 µg	0 µg
Folate, food	48.8 µg	20.0 µg
Folate, DFE	48.8 µg	20.0 µg	12%
Vitamin E, added	0 mg	0 mg
Vitamin B-12, added	0 µg	0 µg

Fatty acids (42)

Nutrient	Per portion	Per 100 g
SFA 4:0	0 g	0 g
SFA 6:0	0 g	0 g
SFA 8:0	0 g	0 g
SFA 10:0	0.049 g	0.020 g
SFA 12:0	0.0024 g	0.0010 g
SFA 14:0	0.0049 g	0.0020 g
SFA 16:0	0.029 g	0.012 g
SFA 18:0	0.0098 g	0.0040 g
SFA 20:0	0 g	0 g
MUFA 18:1	0.0098 g	0.0040 g
PUFA 18:2	0.029 g	0.012 g
PUFA 18:3	0.022 g	0.0090 g
PUFA 20:4	0 g	0 g
PUFA 22:6 n-3 (DHA)	0 g	0 g
SFA 22:0	0 g	0 g
MUFA 14:1	0.0049 g	0.0020 g
MUFA 16:1	0 g	0 g
PUFA 18:4	0 g	0 g
MUFA 20:1	0 g	0 g
PUFA 20:5 n-3 (EPA)	0 g	0 g
MUFA 22:1	0 g	0 g
PUFA 22:5 n-3 (DPA)	0 g	0 g
SFA 15:0	0.0024 g	0.0010 g
SFA 17:0	0 g	0 g
SFA 24:0	0 g	0 g
TFA 16:1 t	0 g	0 g
TFA 18:1 t	0 g	0 g
TFA 22:1 t	0 g	0 g
TFA 18:2 t not further defined	0 g	0 g
PUFA 18:2 CLAs	0 g	0 g
MUFA 24:1 c	0 g	0 g
PUFA 20:2 n-6 c,c	0 g	0 g
MUFA 16:1 c	0 g	0 g
MUFA 18:1 c	0.0098 g	0.0040 g
PUFA 18:2 n-6 c,c	0.029 g	0.012 g
MUFA 22:1 c	0 g	0 g
PUFA 18:3 n-6 c,c,c	0 g	0 g
MUFA 17:1	0 g	0 g
PUFA 20:3	0 g	0 g
Fatty acids, total trans-monoenoic	0 g	0 g
Fatty acids, total trans-polyenoic	0 g	0 g
MUFA 15:1	0 g	0 g

Source: USDA FoodData Central, FDC 167747: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.

Other ways to eat lemon juice

USDA lists 6 preparations of lemon juice. The lemon juice page puts them side by side, per 100 g and per portion.

Compare every lemon juice preparation

Next questions

Every common food in fruits and fruit juicescalories, protein, fat and carbohydrate side by side
Foods A to Z
Compare two foods side by sidecalories, sugar, sodium and protein per 100 g and per portion

Sources for this page

USDA FoodData Central: this record and every record it is compared with, April 30, 2026 release. fdc.nal.usda.gov
FoodData Central documentation: what branded, SR Legacy, Foundation and survey records are. fdc.nal.usda.gov
USDA Food and Nutrient Database for Dietary Studies: survey foods and their household portions. ars.usda.gov
21 CFR 101.9, Nutrition labeling of food: the label format, its rounding and the Daily Values. ecfr.gov
21 CFR 101 subpart D, Nutrient content claims: the FDA thresholds the comparisons count. ecfr.gov
FDA, How to Understand and Use the Nutrition Facts Label: the 5% and 20% Daily Value rule. fda.gov