RHUBARB, RAW  USDA NUTRITIONAL DATA

Rhubarb, raw contains 21 calories per 100 g serving. This serving includes 0.9 g of protein, 0.2 g of fat, and 4.5 g of carbohydrates. Of these carbs 1.8 g is fiber. The net carbs of a food are the number of carbohydrates less the number of carbs that come from fiber. So for this serving that net carbs value is 2.7 g. A 100 g serving of Rhubarb, raw includes 5.0 mcg vitamin A, 8.0 mg vitamin C, 12.0 mg of magnesium, 0.2 mg of iron, and 86.0 mg of calcium. Rhubarb, raw is a part of the Fruits and Fruit Juices food category.

Daily value (DV) refers to how much of a nutrient an average adult should consume, assuming a 2,000 calorie daily diet.
All nutrition data is for a 100 gm serving, as per the USDA
Basics
Nutrient
Amount
DV %
Calories
21
 
Total Fat
0.2 gm
0.3 %
Sodium
4.0 mg
0.2 %
Total Carbohydrates
4.5 gm
1.7 %
Protein
0.9 gm
1.8 %
Cholesterol
0.0 gm
0.0 %
Vitamins
Nutrient
Amount
DV %
Vitamin A, RAE
5.0 mcg
0.6 %
Thiamin   [Vitamin B1]
0.0 mg
1.7 %
Riboflavin   [Vitamin B2]
0.0 mg
2.3 %
Niacin   [Vitamin B3]
0.3 mg
1.9 %
Pantothenic Acid   [Vitamin B5]
0.1 mg
1.7 %
Vitamin B6
0.0 mg
1.4 %
Folate   [Vitamin B9]
7.0 mcg
1.8 %
Vitamin B12
0.0 mcg
0.0 %
Vitamin C
8.0 gm
8.9 %
Vitamin D
0.0 mcg
0.0 %
Vitamin E
0.3 gm
1.8 %
Vitamin K
29.3 mg
24.4 %
Choline
6.1 mg
1.1 %
Minerals
Nutrient
Amount
DV %
Calcium   [Ca]
86.0 mg
6.6 %
Copper   [Cu]
0.0 mcg
2.3 %
Iron   [Fe]
0.2 mg
1.2 %
Magnesium   [Mg]
12.0 mg
2.9 %
Phosphorus   [P]
14.0 mg
1.1 %
Potassium   [K]
288.0 mg
6.1 %
Selenium    [Se]
1.1 mcg
2.0 %
Sodium   [Na]
4.0 mg
0.2 %
Zinc   [Zn]
0.1 mg
0.9 %
Carbohydrates
Nutrient
Amount
DV %
Carbohydrates
4.5 gm
1.7 %
Fiber
1.8 gm
6.4 %
Sugars
1.1 gm
 
Net Carbs
2.7 gm
 
Fats and Fatty Acids
Nutrient
Amount
DV %
Fat
0.2 gm
0.3 %
Saturated Fatty Acids
0.1 gm
0.3 %
Monounsaturated Fatty Acids
0.0 gm
 
Polyunsaturated Fatty Acids
0.1 gm