Uncooked Rhubarb Nutrition Facts

FoodData Central Updated 6 April 2026

One cup of uncooked rhubarb contains 28.8 calories, 0.8g protein, 7g carbs, and 0.2g fat. Uncooked Rhubarb is listed in the protein foods category that is very low in calories.

28.8

cal

7g

carbs

0.8g

protein

0.2g

fat

2.5g

fiber

1.5g

sugar

Vitamins in Uncooked Rhubarb

Per Cup, diced ~137g

Vitamin A
6.85mcg
<1%
Vitamin C
6.58mg
7%
Vitamin E
0.37mg
2%
Vitamin K
40.1mcg
33%
Vitamin B6
0.04mg
2%
Thiamin (B1)
0.04mg
3%
Niacin (B3)
0.27mg
2%
Folate
11mcg
3%

Minerals in Uncooked Rhubarb

Per Cup, diced ~137g

Calcium
266mg
20%
Iron
0.4mg
2%
Magnesium
24.7mg
6%
Phosphorus
16.4mg
1%
Potassium
148mg
3%
Sodium
2.74mg
<1%
Zinc
0.14mg
1%
Selenium
1.51mcg
3%
Copper
0.03mg
3%
Manganese
0.14mg
6%

Learn More About Uncooked Rhubarb

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Compare Uncooked Rhubarb with other proteins.

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
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Nutrient values from certified lab analysis

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Data reviewed by nutrition scientists

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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.