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Mashed potato vs. McDonald's Filet-O-Fish — In-Depth Nutrition Comparison

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Differences between mashed potato and mcDonald's Filet-O-Fish

  • Mashed potato contains less selenium, vitamin B12, vitamin B1, iron, phosphorus, calcium, vitamin B2, and manganese than mcDonald's Filet-O-Fish.
  • McDonald's Filet-O-Fish's daily need coverage for selenium is 45% higher.
  • The amount of saturated fat in mashed potato is lower.

The food types used in this comparison are Fast foods, potato, mashed and McDONALD'S, FILET-O-FISH.

Infographic

Mashed potato vs McDonald's Filet-O-Fish 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 11% 5.4% 25% 12% 12% 6% 25% 40% 13% 4.4%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 19% 36% 19% 59% 22% 16% 59% 57% 34% 139%
Contains more PotassiumPotassium +30%
Contains less SodiumSodium -29.5%
Contains more MagnesiumMagnesium +80%
Contains more CalciumCalcium +566.7%
Contains more IronIron +403.2%
Contains more CopperCopper +88.6%
Contains more ZincZinc +163.6%
Contains more PhosphorusPhosphorus +132.2%
Contains more ManganeseManganese +167.3%
Contains more SeleniumSelenium +3087.5%

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.
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 0% 14% 8.4% 0% 3.8% 3.5% 20% 0% 28% 8.8% 15% 6.8% 7.3%
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 1% 0% 23% 0% 53% 30% 42% 0% 0% 135% 12% 16% 0%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin B6Vitamin B6 +∞%
Contains more Vitamin KVitamin K +20.4%
Contains more CholineCholine +∞%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin EVitamin E +178.6%
Contains more Vitamin B1Vitamin B1 +1306.7%
Contains more Vitamin B2Vitamin B2 +766.7%
Contains more Vitamin B3Vitamin B3 +105.6%
Contains more Vitamin B12Vitamin B12 +1442.9%
Contains more FolateFolate +133.3%
~equal in Vitamin D ~µg
~equal in Vitamin B5 ~mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
3% 15% 80%
Protein: 1.65 g
Fats: 2.82 g
Carbs: 14.65 g
Water: 79.62 g
Other: 1.26 g
11% 15% 26% 46% 2%
Protein: 11.26 g
Fats: 14.64 g
Carbs: 26.39 g
Water: 45.76 g
Other: 1.95 g
Contains more WaterWater +74%
Contains more ProteinProtein +582.4%
Contains more FatsFats +419.1%
Contains more CarbsCarbs +80.1%
Contains more OtherOther +54.8%

Fat Type Comparison

Fat type breakdown side-by-side comparison
22% 27% 51%
Saturated fat: Sat. Fat 0.577 g
Monounsaturated fat: Mono. Fat 0.72 g
Polyunsaturated fat: Poly. Fat 1.342 g
22% 31% 47%
Saturated fat: Sat. Fat 2.833 g
Monounsaturated fat: Mono. Fat 4.005 g
Polyunsaturated fat: Poly. Fat 5.952 g
Contains less Sat. FatSaturated fat -79.6%
Contains more Mono. FatMonounsaturated fat +456.3%
Contains more Poly. FatPolyunsaturated fat +343.5%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
96%
Starch: 12.1 g
Sucrose: 0.1 g
Glucose: 0.2 g
Fructose: 0.2 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
3% 27% 53% 5% 12%
Starch: 0 g
Sucrose: 0.1 g
Glucose: 1 g
Fructose: 1.93 g
Lactose: 0.2 g
Maltose: 0.43 g
Galactose: 0 g
Contains more StarchStarch +∞%
Contains more GlucoseGlucose +400%
Contains more FructoseFructose +865%
Contains more LactoseLactose +∞%
Contains more MaltoseMaltose +∞%
~equal in Sucrose ~0.1g
~equal in Galactose ~0g

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Mashed potato McDonald's Filet-O-Fish
Rich in minerals ok
Lower in Glycemic Index ok
Lower in Cholesterol ok
Lower in Sugar ok
Lower in Sodium ok
Lower in Saturated fat ok
Lower in price Equal
Rich in vitamins Equal

All nutrients comparison - raw data values

Nutrient Mashed potato McDonald's Filet-O-Fish DV% diff.
Selenium 0.8µg 25.5µg 45%
Vitamin B12 0.07µg 1.08µg 42%
Polyunsaturated fat 1.342g 5.952g 31%
Protein 1.65g 11.26g 19%
Fats 2.82g 14.64g 18%
Iron 0.31mg 1.56mg 16%
Vitamin B1 0.015mg 0.211mg 16%
Cholesterol 0mg 32mg 11%
Phosphorus 59mg 137mg 11%
Saturated fat 0.577g 2.833g 10%
Calories 89kcal 282kcal 10%
Calcium 18mg 120mg 10%
Vitamin B6 0.12mg 9%
Vitamin B2 0.015mg 0.13mg 9%
Monounsaturated fat 0.72g 4.005g 8%
Vitamin B3 1.08mg 2.22mg 7%
Manganese 0.098mg 0.262mg 7%
Sodium 306mg 434mg 6%
Vitamin A 43µg 5%
Vitamin E 0.42mg 1.17mg 5%
Starch 12.1g 5%
Carbs 14.65g 26.39g 4%
Magnesium 15mg 27mg 3%
Zinc 0.22mg 0.58mg 3%
Copper 0.035mg 0.066mg 3%
Folate 9µg 21µg 3%
Choline 13.4mg 2%
Potassium 286mg 220mg 2%
Fructose 0.2g 1.93g 2%
Vitamin K 5.9µg 4.9µg 1%
Vitamin C 0mg 0.3mg 0%
Net carbs 13.35g 24.99g N/A
Sugar 0.5g 3.67g N/A
Fiber 1.3g 1.4g 0%
Trans fat 0.105g 0.128g N/A
Omega-3 - EPA 0.001g 0.03g N/A
Omega-3 - DHA 0g 0.061g N/A
Omega-3 - ALA 0.174g 0.614g N/A
Omega-3 - DPA 0.001g 0.005g N/A
Omega-6 - Gamma-linoleic acid 0g 0.024g N/A
Omega-6 - Dihomo-gamma-linoleic acid 0g 0.006g N/A
Omega-6 - Eicosadienoic acid 0.001g 0.007g N/A
Omega-6 - Linoleic acid 1.146g 5.106g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Mashed potato McDonald's Filet-O-Fish
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet ok

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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
9%
Mashed potato
24%
McDonald's Filet-O-Fish
Minerals Daily Need Coverage Score
15%
Mashed potato
46%
McDonald's Filet-O-Fish

Comparison summary

Which food is richer in minerals?
McDonald's Filet-O-Fish
McDonald's Filet-O-Fish is relatively richer in minerals
Which food is lower in glycemic index?
McDonald's Filet-O-Fish
McDonald's Filet-O-Fish is lower in glycemic index (difference - 87)
Which food is lower in Cholesterol?
Mashed potato
Mashed potato is lower in Cholesterol (difference - 32mg)
Which food is lower in Sugar?
Mashed potato
Mashed potato is lower in Sugar (difference - 3.17g)
Which food contains less Sodium?
Mashed potato
Mashed potato contains less Sodium (difference - 128mg)
Which food is lower in Saturated fat?
Mashed potato
Mashed potato is lower in Saturated fat (difference - 2.256g)
Which food is cheaper?
?
The foods are relatively equal in price ($)
Which food is richer in vitamins?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.

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. Mashed potato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170699/nutrients
  2. McDonald's Filet-O-Fish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170319/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.