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Onion vs. Liver — In-Depth Nutrition Comparison

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Summary of differences between onions and liver

  • The amount of vitamin B12, vitamin A, iron, vitamin B2, selenium, vitamin B5, copper, zinc, and vitamin B3 in liver is higher than in onions.
  • Liver covers your daily need for vitamin B12, 778% more than onions.
  • Liver has a lower glycemic index. The glycemic index of liver is 0, while the glycemic index of onions is 15.

These are the specific foods used in this comparison Onions, raw and Pork, fresh, variety meats, and by-products, liver, cooked, braised.

Infographic

Onion vs Liver infographic
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Mineral Comparison

Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Onion
2
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.1% 6.9% 13% 7.9% 13% 4.6% 12% 0.52% 17% 2.7%
Liver
7
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 10% 3% 13% 672% 211% 183% 103% 6.4% 39% 368%
Contains more CalciumCalcium +130%
Contains less SodiumSodium -91.8%
Contains more MagnesiumMagnesium +40%
Contains more IronIron +8433.3%
Contains more CopperCopper +1525.6%
Contains more ZincZinc +3852.9%
Contains more PhosphorusPhosphorus +731%
Contains more ManganeseManganese +132.6%
Contains more SeleniumSelenium +13400%
~equal in Potassium ~150mg

Vitamin Comparison

Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Onion
3
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 25% 0% 0.4% 0% 12% 6.2% 2.2% 7.4% 28% 0% 1% 14% 3.3%
Liver
9
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 79% 1802% 0% 0% 65% 507% 158% 286% 132% 2334% 0% 122% 0%
Contains more Vitamin EVitamin E +∞%
Contains more Vitamin KVitamin K +∞%
Contains more CholineCholine +∞%
Contains more Vitamin CVitamin C +218.9%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin B1Vitamin B1 +460.9%
Contains more Vitamin B2Vitamin B2 +8033.3%
Contains more Vitamin B3Vitamin B3 +7171.6%
Contains more Vitamin B5Vitamin B5 +3781.3%
Contains more Vitamin B6Vitamin B6 +375%
Contains more Vitamin B12Vitamin B12 +∞%
Contains more FolateFolate +757.9%
~equal in Vitamin D ~µg

All nutrients comparison - raw data values

Nutrient Onion Liver DV% diff.
Vitamin B12 0µg 18.67µg 778%
Vitamin A 0µg 5405µg 601%
Iron 0.21mg 17.92mg 221%
Vitamin B2 0.027mg 2.196mg 167%
Selenium 0.5µg 67.5µg 122%
Cholesterol 0mg 355mg 118%
Vitamin B5 0.123mg 4.774mg 93%
Copper 0.039mg 0.634mg 66%
Zinc 0.17mg 6.72mg 60%
Vitamin B3 0.116mg 8.435mg 52%
Protein 1.1g 26.02g 50%
Folate 19µg 163µg 36%
Vitamin B6 0.12mg 0.57mg 35%
Phosphorus 29mg 241mg 30%
Vitamin C 7.4mg 23.6mg 18%
Vitamin B1 0.046mg 0.258mg 18%
Manganese 0.129mg 0.3mg 7%
Polyunsaturated fat 0.017g 1.05g 7%
Fats 0.1g 4.4g 7%
Fiber 1.7g 0g 7%
Saturated fat 0.042g 1.41g 6%
Calories 40kcal 165kcal 6%
Carbs 9.34g 3.76g 2%
Fructose 1.29g 2%
Monounsaturated fat 0.013g 0.63g 2%
Sodium 4mg 49mg 2%
Calcium 23mg 10mg 1%
Magnesium 10mg 14mg 1%
Choline 6.1mg 1%
Net carbs 7.64g 3.76g N/A
Potassium 146mg 150mg 0%
Sugar 4.24g N/A
Vitamin E 0.02mg 0%
Vitamin K 0.4µg 0%
Tryptophan 0.014mg 0.366mg 0%
Threonine 0.021mg 1.107mg 0%
Isoleucine 0.014mg 1.32mg 0%
Leucine 0.025mg 2.319mg 0%
Lysine 0.039mg 2.007mg 0%
Methionine 0.002mg 0.645mg 0%
Phenylalanine 0.025mg 1.274mg 0%
Valine 0.021mg 1.607mg 0%
Histidine 0.014mg 0.708mg 0%
Omega-3 - DHA 0g 0.03g N/A
Omega-3 - DPA 0g 0.04g N/A

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
2
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
Liver
3
26% 4% 4% 64%
Protein: 26.02 g
Fats: 4.4 g
Carbs: 3.76 g
Water: 64.32 g
Other: 1.5 g
Contains more CarbsCarbs +148.4%
Contains more WaterWater +38.5%
Contains more ProteinProtein +2265.5%
Contains more FatsFats +4300%
Contains more OtherOther +328.6%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Onion
1
58% 18% 24%
Saturated fat: Sat. Fat 0.042 g
Monounsaturated fat: Mono. Fat 0.013 g
Polyunsaturated fat: Poly. Fat 0.017 g
Liver
2
46% 20% 34%
Saturated fat: Sat. Fat 1.41 g
Monounsaturated fat: Mono. Fat 0.63 g
Polyunsaturated fat: Poly. Fat 1.05 g
Contains less Sat. FatSaturated fat -97%
Contains more Mono. FatMonounsaturated fat +4746.2%
Contains more Poly. FatPolyunsaturated fat +6076.5%

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References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170000/nutrients
  2. Liver - https://fdc.nal.usda.gov/fdc-app.html#/food-details/167863/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.