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Oysters vs. Tuna — In-Depth Nutrition Comparison

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Significant differences between Oysters and Tuna

  • Oysters has more Zinc, Vitamin B12, Copper, Iron, and Manganese, however, Tuna is richer in Vitamin B3, Selenium, Vitamin B6, Phosphorus, and Vitamin D.
  • Oysters covers your daily Zinc needs 710% more than Tuna.
  • Tuna has 133 times less Copper than Oysters. Oysters has 5.707mg of Copper, while Tuna has 0.043mg.

Specific food types used in this comparison are Mollusks, oyster, eastern, wild, cooked, moist heat and Fish, tuna, yellowfin, fresh, cooked, dry heat.

Infographic

Oysters vs Tuna infographic
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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 25% 35% 12% 345% 1902% 2144% 83% 22% 77% 215%
Tuna
5
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 30% 1.2% 47% 35% 14% 12% 143% 7% 1.7% 590%
Contains more CalciumCalcium +2800%
Contains more IronIron +901.1%
Contains more CopperCopper +13172.1%
Contains more ZincZinc +17366.7%
Contains more ManganeseManganese +4446.2%
Contains more MagnesiumMagnesium +20%
Contains more PotassiumPotassium +279.1%
Contains more PhosphorusPhosphorus +71.6%
Contains less SodiumSodium -67.5%
Contains more SeleniumSelenium +173.9%

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% 5.3% 34% 0% 9% 42% 35% 27% 14% 2188% 5% 11% 71%
Tuna
4
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% 3.9% 5.8% 60% 34% 32% 414% 20% 240% 294% 0.25% 1.5% 42%
Contains more Vitamin AVitamin A +35.4%
Contains more Vitamin EVitamin E +486.2%
Contains more Vitamin B2Vitamin B2 +31.4%
Contains more Vitamin B5Vitamin B5 +33.8%
Contains more Vitamin B12Vitamin B12 +644.7%
Contains more Vitamin KVitamin K +1900%
Contains more FolateFolate +600%
Contains more CholineCholine +67.5%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B1Vitamin B1 +272.2%
Contains more Vitamin B3Vitamin B3 +1093%
Contains more Vitamin B6Vitamin B6 +1601.6%
~equal in Vitamin C ~0mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
11% 3% 5% 78%
Protein: 11.42 g
Fats: 3.42 g
Carbs: 5.45 g
Water: 78.19 g
Other: 1.52 g
Tuna
1
29% 69%
Protein: 29.15 g
Fats: 0.59 g
Carbs: 0 g
Water: 68.98 g
Other: 1.28 g
Contains more FatsFats +479.7%
Contains more CarbsCarbs +∞%
Contains more WaterWater +13.4%
Contains more OtherOther +18.8%
Contains more ProteinProtein +155.3%

Fat Type Comparison

Fat type breakdown side-by-side comparison
38% 20% 42%
Saturated Fat: Sat. Fat 0.948 g
Monounsaturated Fat: Mono. Fat 0.506 g
Polyunsaturated fat: Poly. Fat 1.056 g
Tuna
1
40% 27% 34%
Saturated Fat: Sat. Fat 0.205 g
Monounsaturated Fat: Mono. Fat 0.138 g
Polyunsaturated fat: Poly. Fat 0.175 g
Contains more Mono. FatMonounsaturated Fat +266.7%
Contains more Poly. FatPolyunsaturated fat +503.4%
Contains less Sat. FatSaturated Fat -78.4%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Oysters Tuna Opinion
Calories 102kcal 130kcal Tuna
Protein 11.42g 29.15g Tuna
Fats 3.42g 0.59g Oysters
Net carbs 5.45g 0g Oysters
Carbs 5.45g 0g Oysters
Cholesterol 79mg 47mg Tuna
Vitamin D 2IU 82IU Tuna
Magnesium 35mg 42mg Tuna
Calcium 116mg 4mg Oysters
Potassium 139mg 527mg Tuna
Iron 9.21mg 0.92mg Oysters
Sugar 1.23g 0g Tuna
Copper 5.707mg 0.043mg Oysters
Zinc 78.6mg 0.45mg Oysters
Starch 0.9g Oysters
Phosphorus 194mg 333mg Tuna
Sodium 166mg 54mg Tuna
Vitamin A 88IU 65IU Oysters
Vitamin A 26µg 22µg Oysters
Vitamin E 1.7mg 0.29mg Oysters
Vitamin D 0µg 2µg Tuna
Manganese 0.591mg 0.013mg Oysters
Selenium 39.5µg 108.2µg Tuna
Vitamin B1 0.036mg 0.134mg Tuna
Vitamin B2 0.18mg 0.137mg Oysters
Vitamin B3 1.85mg 22.07mg Tuna
Vitamin B5 0.447mg 0.334mg Oysters
Vitamin B6 0.061mg 1.038mg Tuna
Vitamin B12 17.5µg 2.35µg Oysters
Vitamin K 2µg 0.1µg Oysters
Folate 14µg 2µg Oysters
Trans Fat 0.068g 0.02g Tuna
Choline 130mg 77.6mg Oysters
Saturated Fat 0.948g 0.205g Tuna
Monounsaturated Fat 0.506g 0.138g Oysters
Polyunsaturated fat 1.056g 0.175g Oysters
Tryptophan 0.138mg 0.313mg Tuna
Threonine 0.046mg 1.224mg Tuna
Isoleucine 0.459mg 1.287mg Tuna
Leucine 0.716mg 2.27mg Tuna
Lysine 0.762mg 2.565mg Tuna
Methionine 0.257mg 0.827mg Tuna
Phenylalanine 0.413mg 1.091mg Tuna
Valine 0.523mg 1.438mg Tuna
Histidine 0.22mg 0.822mg Tuna
Omega-3 - EPA 0.353g 0.015g Oysters
Omega-3 - DHA 0.271g 0.105g Oysters
Omega-3 - ALA 0.163g Oysters
Omega-3 - DPA 0.02g 0.005g Oysters
Omega-3 - Eicosatrienoic acid 0.004g Oysters
Omega-6 - Gamma-linoleic acid 0.004g Oysters
Omega-6 - Dihomo-gamma-linoleic acid 0.007g Oysters
Omega-6 - Eicosadienoic acid 0.007g 0.002g Oysters
Omega-6 - Linoleic acid 0.061g Oysters

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Oysters Tuna
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet Equal

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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
188%
Oysters
88%
Tuna
Minerals Daily Need Coverage Score
486%
Oysters
88%
Tuna

Comparison summary

Which food is lower in Cholesterol?
Tuna
Tuna is lower in Cholesterol (difference - 32mg)
Which food is lower in Sugar?
Tuna
Tuna is lower in Sugar (difference - 1.23g)
Which food contains less Sodium?
Tuna
Tuna contains less Sodium (difference - 112mg)
Which food is lower in Saturated Fat?
Tuna
Tuna is lower in Saturated Fat (difference - 0.743g)
Which food is cheaper?
Tuna
Tuna is cheaper (difference - $3)
Which food is richer in vitamins?
Oysters
Oysters is relatively richer in vitamins
Which food is lower in glycemic index?
?
The foods have equal glycemic indexes (0)
Which food is richer in minerals?
?
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. Oysters - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171980/nutrients
  2. Tuna - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172006/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.