Onions, raw vs. Onions, green, raw vs. Onions, cooked, no added fat

Side-by-side comparison of nutrient values per 100g edible portion, sourced directly from the U.S. Department of Agriculture's FoodData Central (FDC) - SR Legacy reference foods and FDC Foundation foods (April 2026 release). Each value reflects USDA's standardized laboratory analysis methodology under USDA data-documentation methodology.

Onions, green, raw has the most protein of the foods compared, at 1.8 g per 100g.

Nutrient Onions, raw Onions, green, raw Onions, cooked, no added fat
Protein 0.86 G1.8 G1.3 G
Total lipid (fat) 0.08 G0.19 G0.12 G
Carbohydrate, by difference 8.5 G7.3 G11 G
Energy 38 KCAL32 KCAL47 KCAL
Total Sugars 5.8 G2.3 G5 G
Fiber, total dietary 1.7 G2.6 G2 G
Calcium, Ca 17 MG72 MG27 MG
Iron, Fe 0.24 MG1.5 MG0.25 MG
Potassium, K 171 MG276 MG171 MG
Sodium, Na 1 MG16 MG141 MG
Cholesterol 0 MG0 MG0 MG
Fatty acids, total saturated 0.04 G0.03 G0.05 G

Values shown are per 100g edible portion from Source: USDA FoodData Central Retrieved and formatted by GetFoodFacts. For interactive comparison of up to three foods with macro bars and charts, use the main compare tool.