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Whey vs. Fish oil — In-Depth Nutrition Comparison

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The main differences between whey and fish oil

  • Whey has more vitamin B2, vitamin B12, vitamin B5, and phosphorus; however, fish oil has more polyunsaturated fat.
  • Daily need coverage for cholesterol for fish oil is 255% higher.
  • Whey is lower in saturated fat.
  • Whey has a higher glycemic index than fish oil.

Food types used in this article are Whey, sweet, fluid and Fish oil, herring.

Infographic

Whey vs Fish oil 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.
Whey
9
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 5.7% 14% 14% 2.3% 1.3% 3.5% 20% 7% 0.13% 10%
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%
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 +∞%
Contains less SodiumSodium -100%

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.
Whey
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 0.33% 1% 0% 0% 9% 36% 1.4% 23% 7.2% 35% 0% 0.75% 8.7%
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%
Contains more Vitamin CVitamin C +∞%
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 +∞%
Contains more CholineCholine +∞%
~equal in Vitamin E ~mg
~equal in Vitamin D ~µg
~equal in Vitamin K ~µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Whey
4
5% 93%
Protein: 0.85 g
Fats: 0.36 g
Carbs: 5.14 g
Water: 93.12 g
Other: 0.53 g
100%
Protein: 0 g
Fats: 100 g
Carbs: 0 g
Water: 0 g
Other: 0 g
Contains more ProteinProtein +∞%
Contains more CarbsCarbs +∞%
Contains more WaterWater +∞%
Contains more OtherOther +∞%
Contains more FatsFats +27677.8%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Whey
1
67% 29% 3%
Saturated fat: Sat. Fat 0.23 g
Monounsaturated fat: Mono. Fat 0.1 g
Polyunsaturated fat: Poly. Fat 0.011 g
23% 61% 17%
Saturated fat: Sat. Fat 21.29 g
Monounsaturated fat: Mono. Fat 56.564 g
Polyunsaturated fat: Poly. Fat 15.604 g
Contains less Sat. FatSaturated fat -98.9%
Contains more Mono. FatMonounsaturated fat +56464%
Contains more Poly. FatPolyunsaturated fat +141754.5%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Whey Fish oil DV% diff.
Cholesterol 2mg 766mg 255%
Fats 0.36g 100g 153%
Monounsaturated fat 0.1g 56.564g 141%
Polyunsaturated fat 0.011g 15.604g 104%
Saturated fat 0.23g 21.29g 96%
Calories 27kcal 902kcal 44%
Vitamin B12 0.28µg 0µg 12%
Vitamin B2 0.158mg 0mg 12%
Vitamin B5 0.383mg 0mg 8%
Phosphorus 46mg 0mg 7%
Calcium 47mg 0mg 5%
Potassium 161mg 0mg 5%
Selenium 1.9µg 0µg 3%
Choline 16mg 3%
Vitamin B1 0.036mg 0mg 3%
Vitamin B6 0.031mg 0mg 2%
Protein 0.85g 0g 2%
Carbs 5.14g 0g 2%
Magnesium 8mg 0mg 2%
Sodium 54mg 0mg 2%
Zinc 0.13mg 0mg 1%
Iron 0.06mg 0mg 1%
Vitamin C 0.1mg 0mg 0%
Net carbs 5.14g 0g N/A
Sugar 5.14g N/A
Copper 0.004mg 0mg 0%
Vitamin A 3µg 0µg 0%
Manganese 0.001mg 0mg 0%
Vitamin B3 0.074mg 0mg 0%
Folate 1µg 0µg 0%
Tryptophan 0.013mg 0%
Threonine 0.054mg 0%
Isoleucine 0.047mg 0%
Leucine 0.078mg 0%
Lysine 0.068mg 0%
Methionine 0.016mg 0%
Phenylalanine 0.027mg 0%
Valine 0.046mg 0%
Histidine 0.016mg 0%
Omega-3 - EPA 0g 6.273g N/A
Omega-3 - DHA 0g 4.206g N/A
Omega-3 - DPA 0g 0.619g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Whey Fish oil
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
9%
Whey
0%
Fish oil
Minerals Daily Need Coverage Score
8%
Whey
0%
Fish oil

Comparison summary

Which food is lower in Cholesterol?
Whey
Whey is lower in Cholesterol (difference - 764mg)
Which food is lower in Saturated fat?
Whey
Whey is lower in Saturated fat (difference - 21.06g)
Which food is cheaper?
Whey
Whey is cheaper (difference - $1.4)
Which food is richer in minerals?
Whey
Whey is relatively richer in minerals
Which food is richer in vitamins?
Whey
Whey is relatively richer in vitamins
Which food is lower in Sugar?
Fish oil
Fish oil is lower in Sugar (difference - 5.14g)
Which food contains less Sodium?
Fish oil
Fish oil contains less Sodium (difference - 54mg)
Which food is lower in glycemic index?
Fish oil
Fish oil is lower in glycemic index (difference - 43)

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. Whey - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171282/nutrients
  2. Fish oil - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172340/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.