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Taco vs. Onion — In-Depth Nutrition Comparison

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The main differences between taco and onions

  • Onions contain less vitamin B12, phosphorus, selenium, zinc, vitamin K, iron, and vitamin B3 than taco.
  • Daily need coverage for vitamin B12 for taco is 39% higher.
  • Taco has a higher glycemic index than onions.

Food types used in this article are Fast foods, taco with beef, cheese, and lettuce, hard shell and Onions, raw.

Infographic

Taco vs Onion infographic
Infographic link

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.
Taco
Taco
9
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 23% 27% 18% 45% 26% 48% 76% 52% 32% 50%
Onion
Onion
1
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%
Contains more MagnesiumMagnesium +220%
Contains more CalciumCalcium +287%
Contains more PotassiumPotassium +43.2%
Contains more IronIron +466.7%
Contains more CopperCopper +97.4%
Contains more ZincZinc +929.4%
Contains more PhosphorusPhosphorus +513.8%
Contains more ManganeseManganese +93%
Contains more SeleniumSelenium +1740%
Contains less SodiumSodium -99%

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.
Taco
Taco
8
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 1.3% 6.7% 12% 1.5% 13% 14% 31% 0% 21% 116% 38% 14% 17%
Onion
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%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +2900%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B2Vitamin B2 +122.2%
Contains more Vitamin B3Vitamin B3 +1322.4%
Contains more Vitamin B12Vitamin B12 +∞%
Contains more Vitamin KVitamin K +3725%
Contains more CholineCholine +424.6%
Contains more Vitamin CVitamin C +1750%
Contains more Vitamin B6Vitamin B6 +33.3%
~equal in Vitamin B1 ~0.046mg
~equal in Folate ~19µg

All nutrients comparison - raw data values

Nutrient Taco Onion DV% diff.
Vitamin B12 0.93µg 0µg 39%
Phosphorus 178mg 29mg 21%
Polyunsaturated fat 3.042g 0.017g 20%
Saturated fat 4.384g 0.042g 20%
Fats 12.7g 0.1g 19%
Sodium 397mg 4mg 17%
Protein 8.86g 1.1g 16%
Selenium 9.2µg 0.5µg 16%
Zinc 1.75mg 0.17mg 14%
Vitamin K 15.3µg 0.4µg 12%
Iron 1.19mg 0.21mg 12%
Monounsaturated fat 4.411g 0.013g 11%
Vitamin B3 1.65mg 0.116mg 10%
Calories 226kcal 40kcal 9%
Fiber 3.9g 1.7g 9%
Cholesterol 28mg 0mg 9%
Vitamin C 0.4mg 7.4mg 8%
Calcium 89mg 23mg 7%
Starch 14.78g 0g 6%
Choline 32mg 6.1mg 5%
Magnesium 32mg 10mg 5%
Manganese 0.249mg 0.129mg 5%
Copper 0.077mg 0.039mg 4%
Vitamin E 0.6mg 0.02mg 4%
Carbs 19.85g 9.34g 4%
Vitamin B2 0.06mg 0.027mg 3%
Vitamin B6 0.09mg 0.12mg 2%
Vitamin B5 0.123mg 2%
Potassium 209mg 146mg 2%
Vitamin A 20µg 0µg 2%
Fructose 0.3g 1.29g 1%
Vitamin D 4IU 0IU 1%
Vitamin D 0.1µg 0µg 1%
Net carbs 15.95g 7.64g N/A
Sugar 0.9g 4.24g N/A
Vitamin B1 0.05mg 0.046mg 0%
Folate 19µg 19µg 0%
Trans fat 0.467g 0g N/A
Tryptophan 0.014mg 0%
Threonine 0.021mg 0%
Isoleucine 0.014mg 0%
Leucine 0.025mg 0%
Lysine 0.039mg 0%
Methionine 0.002mg 0%
Phenylalanine 0.025mg 0%
Valine 0.021mg 0%
Histidine 0.014mg 0%
Omega-3 - EPA 0.005g 0g N/A
Omega-3 - ALA 0.166g N/A
Omega-3 - DPA 0.006g 0g N/A
Omega-3 - Eicosatrienoic acid 0.001g N/A
Omega-6 - Gamma-linoleic acid 0.002g N/A
Omega-6 - Dihomo-gamma-linoleic acid 0.011g N/A
Omega-6 - Eicosadienoic acid 0.004g 0g N/A
Omega-6 - Linoleic acid 2.708g N/A

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Taco
Taco
4
9% 13% 20% 57%
Protein: 8.86 g
Fats: 12.7 g
Carbs: 19.85 g
Water: 57.02 g
Other: 1.57 g
Onion
Onion
1
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
Contains more ProteinProtein +705.5%
Contains more FatsFats +12600%
Contains more CarbsCarbs +112.5%
Contains more OtherOther +348.6%
Contains more WaterWater +56.3%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Taco
Taco
2
37% 37% 26%
Saturated fat: Sat. Fat 4.384 g
Monounsaturated fat: Mono. Fat 4.411 g
Polyunsaturated fat: Poly. Fat 3.042 g
Onion
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
Contains more Mono. FatMonounsaturated fat +33830.8%
Contains more Poly. FatPolyunsaturated fat +17794.1%
Contains less Sat. FatSaturated fat -99%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Taco
Taco
1
94% 3% 2%
Starch: 14.78 g
Sucrose: 0.4 g
Glucose: 0.2 g
Fructose: 0.3 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Onion
Onion
3
23% 46% 30%
Starch: 0 g
Sucrose: 0.99 g
Glucose: 1.97 g
Fructose: 1.29 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more StarchStarch +∞%
Contains more SucroseSucrose +147.5%
Contains more GlucoseGlucose +885%
Contains more FructoseFructose +330%
~equal in Lactose ~0g
~equal in Maltose ~0g
~equal in Galactose ~0g

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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. Taco - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170689/nutrients
  2. Onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170000/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.