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Fish oil vs. Butter — In-Depth Nutrition Comparison

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A recap on differences between fish oil and butter

  • Fish oil has more polyunsaturated fat and monounsaturated fat; however, butter is higher in vitamin A and vitamin B12.
  • Fish oil covers your daily cholesterol needs 184% more than butter.
  • Butter contains 5 times less polyunsaturated fat than fish oil. Fish oil contains 15.604g of polyunsaturated fat, while butter contains 3.01g.
  • Butter has less cholesterol.

Food varieties used in this article are Fish oil, herring and Butter, without salt.

Infographic

Fish oil vs Butter 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 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Butter
9
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 1.4% 7.2% 2.1% 0.75% 5.3% 2.5% 10% 1.4% 0.52% 5.5%
Contains less SodiumSodium -100%
Contains more MagnesiumMagnesium +∞%
Contains more CalciumCalcium +∞%
Contains more PotassiumPotassium +∞%
Contains more IronIron +∞%
Contains more CopperCopper +∞%
Contains more ZincZinc +∞%
Contains more PhosphorusPhosphorus +∞%
Contains more ManganeseManganese +∞%
Contains more SeleniumSelenium +∞%

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% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Butter
11
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% 228% 46% 0% 1.3% 7.8% 0.79% 6.6% 0.69% 21% 18% 2.3% 10%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin B1Vitamin B1 +∞%
Contains more Vitamin B2Vitamin B2 +∞%
Contains more Vitamin B3Vitamin B3 +∞%
Contains more Vitamin B5Vitamin B5 +∞%
Contains more Vitamin B6Vitamin B6 +∞%
Contains more Vitamin B12Vitamin B12 +∞%
Contains more FolateFolate +∞%
~equal in Vitamin C ~0mg
~equal in Vitamin D ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
100%
Protein: 0 g
Fats: 100 g
Carbs: 0 g
Water: 0 g
Other: 0 g
Butter
4
81% 18%
Protein: 0.85 g
Fats: 81.11 g
Carbs: 0.06 g
Water: 17.94 g
Other: 0.04 g
Contains more FatsFats +23.3%
Contains more ProteinProtein +∞%
Contains more CarbsCarbs +∞%
Contains more WaterWater +∞%
Contains more OtherOther +∞%

Fat Type Comparison

Fat type breakdown side-by-side comparison
23% 61% 17%
Saturated fat: Sat. Fat 21.29 g
Monounsaturated fat: Mono. Fat 56.564 g
Polyunsaturated fat: Poly. Fat 15.604 g
Butter
0
66% 30% 4%
Saturated fat: Sat. Fat 50.489 g
Monounsaturated fat: Mono. Fat 23.43 g
Polyunsaturated fat: Poly. Fat 3.01 g
Contains less Sat. FatSaturated fat -57.8%
Contains more Mono. FatMonounsaturated fat +141.4%
Contains more Poly. FatPolyunsaturated fat +418.4%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Fish oil Butter DV% diff.
Cholesterol 766mg 215mg 184%
Saturated fat 21.29g 50.489g 133%
Polyunsaturated fat 15.604g 3.01g 84%
Monounsaturated fat 56.564g 23.43g 83%
Vitamin A 0µg 684µg 76%
Fats 100g 81.11g 29%
Vitamin E 2.32mg 15%
Calories 902kcal 717kcal 9%
Vitamin B12 0µg 0.17µg 7%
Vitamin K 7µg 6%
Choline 18.8mg 3%
Vitamin B2 0mg 0.034mg 3%
Phosphorus 0mg 24mg 3%
Protein 0g 0.85g 2%
Selenium 0µg 1µg 2%
Vitamin B5 0mg 0.11mg 2%
Copper 0mg 0.016mg 2%
Calcium 0mg 24mg 2%
Folate 0µg 3µg 1%
Zinc 0mg 0.09mg 1%
Potassium 0mg 24mg 1%
Net carbs 0g 0.06g N/A
Carbs 0g 0.06g 0%
Magnesium 0mg 2mg 0%
Iron 0mg 0.02mg 0%
Sugar 0.06g N/A
Sodium 0mg 11mg 0%
Manganese 0mg 0.004mg 0%
Vitamin B1 0mg 0.005mg 0%
Vitamin B3 0mg 0.042mg 0%
Vitamin B6 0mg 0.003mg 0%
Tryptophan 0.012mg 0%
Threonine 0.038mg 0%
Isoleucine 0.051mg 0%
Leucine 0.083mg 0%
Lysine 0.067mg 0%
Methionine 0.021mg 0%
Phenylalanine 0.041mg 0%
Valine 0.057mg 0%
Histidine 0.023mg 0%
Omega-3 - EPA 6.273g 0g N/A
Omega-3 - DHA 4.206g 0g N/A
Omega-3 - ALA 0.315g N/A
Omega-3 - DPA 0.619g 0g N/A
Omega-6 - Linoleic acid 2.166g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Fish oil Butter
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet Equal

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
0%
Fish oil
26%
Butter
Minerals Daily Need Coverage Score
0%
Fish oil
4%
Butter

Comparison summary

Which food is lower in Sugar?
Fish oil
Fish oil is lower in Sugar (difference - 0.06g)
Which food contains less Sodium?
Fish oil
Fish oil contains less Sodium (difference - 11mg)
Which food is lower in Saturated fat?
Fish oil
Fish oil is lower in Saturated fat (difference - 29.199g)
Which food is lower in Cholesterol?
Butter
Butter is lower in Cholesterol (difference - 551mg)
Which food is cheaper?
Butter
Butter is cheaper (difference - $3.4)
Which food is richer in minerals?
Butter
Butter is relatively richer in minerals
Which food is richer in vitamins?
Butter
Butter is relatively richer in vitamins
Which food is lower in glycemic index?
?
The foods have equal glycemic indexes (0)

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. Fish oil - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172340/nutrients
  2. Butter - https://fdc.nal.usda.gov/fdc-app.html#/food-details/173430/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.