Unprepared Kale Nutrition Facts

FoodData Central Updated 6 April 2026

Unprepared Kale contains 18.8 calories, 1.8g protein, 3.3g carbs, and 0.3g fat. Unprepared Kale is a vegetable that is very low in calories. It is an excellent source of vitamin C and rich in potassium.

18.8

cal

3.3g

carbs

1.8g

protein

amino acids ↓

0.3g

fat

1.3g

fiber

0.6g

sugar

Vitamins in Unprepared Kale

Per 0.33 cup ~67g

Vitamin A
138mcg
15%
Vitamin C
26.3mg
29%
Vitamin E
0.38mg
3%
Vitamin K
224mcg
186%
Vitamin B6
0.06mg
4%
Thiamin (B1)
0.04mg
3%
Niacin (B3)
0.47mg
3%
Folate
11.4mcg
3%

Minerals in Unprepared Kale

Per 0.33 cup ~67g

Calcium
91.1mg
7%
Iron
0.62mg
3%
Magnesium
12.1mg
3%
Phosphorus
19.4mg
2%
Potassium
223mg
5%
Sodium
10.1mg
<1%
Zinc
0.12mg
1%
Selenium
0.6mcg
1%
Copper
0.03mg
4%
Manganese
0.29mg
13%

Amino Acids in Unprepared Kale

Protein breakdown per 0.33 cup (67g), from the USDA record for this food.

Complete protein

Unprepared Kale supplies all nine essential amino acids at or above the FAO/WHO adult reference pattern.

Essential Amino Acids Per 0.33 cup (67g) Per 100g % of Protein
Histidine 38mg 56mg 2.1%
Isoleucine 107mg 159mg 6%
Leucine 125mg 186mg 7%
Lysine 107mg 159mg 6%
Methionine 17mg 26mg 1%
Phenylalanine 91mg 136mg 5.1%
Threonine 80mg 119mg 4.5%
Tryptophan 21mg 32mg 1.2%
Valine 97mg 145mg 5.5%
Other Amino Acids Per 0.33 cup (67g) Per 100g % of Protein
Alanine 90mg 134mg 5%
Arginine 99mg 148mg 5.6%
Aspartic Acid 159mg 238mg 8.9%
Cystine 23mg 35mg 1.3%
Glutamic Acid 202mg 301mg 11.3%
Glycine 86mg 128mg 4.8%
Proline 106mg 158mg 5.9%
Serine 75mg 112mg 4.2%
Tyrosine 63mg 94mg 3.5%

Protein quality is scored against the FAO/WHO/UNU 2007 adult indispensable amino acid reference pattern. The FDA publishes no Daily Values for individual amino acids, so the share of total protein is shown instead.

Learn More About Unprepared Kale

Similar Foods

Compare Unprepared Kale with other vegetables.

Verified Nutrition Data

Trusted & Verified Nutritional Information

All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.

USDA Official Source
FDA Safety Standards
HHS Health Standards
NIH Research Verified

Laboratory Analyzed

Nutrient values from certified lab analysis

Peer Reviewed

Data reviewed by nutrition scientists

Regularly Updated

Synced with latest official database releases

Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.