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Cod vs. Onion — In-Depth Nutrition Comparison

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What are the differences between cod and onions?

  • Cod is higher in vitamin B5, selenium, vitamin B12, phosphorus, vitamin B3, choline, vitamin B6, and potassium, yet onions are higher in vitamin C.
  • Cod's daily need coverage for vitamin B5 is 3058% more.
  • The amount of cholesterol in onions is lower.
  • The glycemic index of cod is lower.

We used Fish, cod, Atlantic, raw and Onions, raw types in this article.

Infographic

Cod 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.
Cod
Cod
6
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 23% 4.8% 36% 14% 9.3% 12% 87% 7% 2% 181%
Onion
4
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 PotassiumPotassium +182.9%
Contains more IronIron +81%
Contains more ZincZinc +164.7%
Contains more PhosphorusPhosphorus +600%
Contains more SeleniumSelenium +6520%
Contains more CalciumCalcium +43.8%
Contains more CopperCopper +39.3%
Contains less SodiumSodium -92.6%
Contains more ManganeseManganese +760%

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.
Cod
Cod
10
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 3.3% 4% 13% 14% 19% 15% 39% 9180% 57% 114% 0.25% 5.3% 36%
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 +3100%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B1Vitamin B1 +65.2%
Contains more Vitamin B2Vitamin B2 +140.7%
Contains more Vitamin B3Vitamin B3 +1678.4%
Contains more Vitamin B5Vitamin B5 +124290.2%
Contains more Vitamin B6Vitamin B6 +104.2%
Contains more Vitamin B12Vitamin B12 +∞%
Contains more CholineCholine +968.9%
Contains more Vitamin CVitamin C +640%
Contains more Vitamin KVitamin K +300%
Contains more FolateFolate +171.4%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Cod
Cod
2
18% 81%
Protein: 17.81 g
Fats: 0.67 g
Carbs: 0 g
Water: 81.22 g
Other: 0.3 g
Onion
3
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 +1519.1%
Contains more FatsFats +570%
Contains more CarbsCarbs +∞%
Contains more OtherOther +16.7%
~equal in Water ~89.11g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Cod
Cod
2
29% 21% 51%
Saturated fat: Sat. Fat 0.131 g
Monounsaturated fat: Mono. Fat 0.094 g
Polyunsaturated fat: Poly. Fat 0.231 g
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 +623.1%
Contains more Poly. FatPolyunsaturated fat +1258.8%
Contains less Sat. FatSaturated fat -67.9%

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Cod Onion
Lower in Cholesterol ok
Lower in Sodium ok
Lower in Saturated fat ok
Lower in price ok
Lower in Sugar ok
Lower in Glycemic Index ok
Rich in minerals ok
Rich in vitamins ok

All nutrients comparison - raw data values

Nutrient Cod Onion DV% diff.
Vitamin B5 153mg 0.123mg 3058%
Selenium 33.1µg 0.5µg 59%
Vitamin B12 0.91µg 0µg 38%
Protein 17.81g 1.1g 33%
Phosphorus 203mg 29mg 25%
Cholesterol 43mg 0mg 14%
Vitamin B3 2.063mg 0.116mg 12%
Choline 65.2mg 6.1mg 11%
Vitamin B6 0.245mg 0.12mg 10%
Potassium 413mg 146mg 8%
Vitamin C 1mg 7.4mg 7%
Fiber 0g 1.7g 7%
Magnesium 32mg 10mg 5%
Vitamin D 36IU 0IU 5%
Vitamin D 0.9µg 0µg 5%
Manganese 0.015mg 0.129mg 5%
Vitamin E 0.64mg 0.02mg 4%
Vitamin B1 0.076mg 0.046mg 3%
Folate 7µg 19µg 3%
Zinc 0.45mg 0.17mg 3%
Carbs 0g 9.34g 3%
Vitamin B2 0.065mg 0.027mg 3%
Fructose 1.29g 2%
Calories 82kcal 40kcal 2%
Sodium 54mg 4mg 2%
Iron 0.38mg 0.21mg 2%
Vitamin A 12µg 0µg 1%
Fats 0.67g 0.1g 1%
Copper 0.028mg 0.039mg 1%
Calcium 16mg 23mg 1%
Polyunsaturated fat 0.231g 0.017g 1%
Net carbs 0g 7.64g N/A
Sugar 0g 4.24g N/A
Vitamin K 0.1µg 0.4µg 0%
Saturated fat 0.131g 0.042g 0%
Monounsaturated fat 0.094g 0.013g 0%
Tryptophan 0.199mg 0.014mg 0%
Threonine 0.781mg 0.021mg 0%
Isoleucine 0.821mg 0.014mg 0%
Leucine 1.447mg 0.025mg 0%
Lysine 1.635mg 0.039mg 0%
Methionine 0.527mg 0.002mg 0%
Phenylalanine 0.695mg 0.025mg 0%
Valine 0.917mg 0.021mg 0%
Histidine 0.524mg 0.014mg 0%
Omega-3 - EPA 0.064g 0g N/A
Omega-3 - DHA 0.12g 0g N/A
Omega-3 - DPA 0.01g 0g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Cod Onion
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet ok

Vitamins & Minerals Daily Need Coverage Score

The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
731%
Cod
8%
Onion
Minerals Daily Need Coverage Score
38%
Cod
8%
Onion

Comparison summary

Which food is lower in Cholesterol?
Onion
Onion is lower in Cholesterol (difference - 43mg)
Which food contains less Sodium?
Onion
Onion contains less Sodium (difference - 50mg)
Which food is lower in Saturated fat?
Onion
Onion is lower in Saturated fat (difference - 0.089g)
Which food is cheaper?
Onion
Onion is cheaper (difference - $1.1)
Which food is lower in Sugar?
Cod
Cod is lower in Sugar (difference - 4.24g)
Which food is lower in glycemic index?
Cod
Cod is lower in glycemic index (difference - 15)
Which food is richer in minerals?
Cod
Cod is relatively richer in minerals
Which food is richer in vitamins?
Cod
Cod is relatively richer in vitamins

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. Cod - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171955/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.