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Flank steak vs. Beef sirloin — In-Depth Nutrition Comparison

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The main differences between Flank steak and Beef sirloin

  • Flank steak is richer in Vitamin B12, and Monounsaturated Fat, yet Beef sirloin is richer in Selenium, Vitamin B3, Vitamin B6, Zinc, and Phosphorus.
  • Daily need coverage for Selenium from Beef sirloin is 17% higher.
  • Flank steak contains 2 times more Saturated Fat than Beef sirloin. Flank steak contains 3.395g of Saturated Fat, while Beef sirloin contains 1.915g.

Food types used in this article are Beef, flank, steak, separable lean and fat, trimmed to 0" fat, all grades, cooked, broiled and Beef, top sirloin, steak, separable lean only, trimmed to 0" fat, select, cooked, broiled.

Infographic

Flank steak vs Beef sirloin 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.
Contains less Sodium -15.2%
Contains more Iron +10.3%
Contains more Magnesium +17.4%
Contains more Phosphorus +20.5%
Contains more Potassium +20.9%
Contains more Zinc +16.3%
Contains more Manganese +22.2%
Contains more Selenium +32.3%
Equal in Calcium - 22
Equal in Copper - 0.085
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 6% 66% 17% 90% 30% 8% 134% 28% 2% 161%
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 7% 72% 20% 109% 37% 9% 156% 29% 2% 213%
Contains less Sodium -15.2%
Contains more Iron +10.3%
Contains more Magnesium +17.4%
Contains more Phosphorus +20.5%
Contains more Potassium +20.9%
Contains more Zinc +16.3%
Contains more Manganese +22.2%
Contains more Selenium +32.3%
Equal in Calcium - 22
Equal in Copper - 0.085

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.
:
Contains more Vitamin B12 +10.9%
Contains more Vitamin B1 +17.3%
Contains more Vitamin B2 +22.6%
Contains more Vitamin B3 +22.2%
Contains more Vitamin B5 +11.4%
Contains more Vitamin B6 +17.6%
Contains more Folate +11.1%
Equal in Vitamin E - 0.39
Equal in Vitamin B12 - 1.47
Equal in Vitamin K - 1.4
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 0% 8% 0% 0% 19% 31% 139% 33% 134% 7% 204% 4%
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 0% 8% 0% 0% 22% 38% 169% 37% 158% 8% 184% 4%
Contains more Vitamin B12 +10.9%
Contains more Vitamin B1 +17.3%
Contains more Vitamin B2 +22.6%
Contains more Vitamin B3 +22.2%
Contains more Vitamin B5 +11.4%
Contains more Vitamin B6 +17.6%
Contains more Folate +11.1%
Equal in Vitamin E - 0.39
Equal in Vitamin B12 - 1.47
Equal in Vitamin K - 1.4

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Contains more Fats +63.6%
Contains more Protein +11.4%
Equal in Water - 63.58
Equal in Other - 0.59
28% 8% 64%
Protein: 27.66 g
Fats: 8.23 g
Carbs: 0 g
Water: 64.17 g
Other: 0 g
31% 5% 64%
Protein: 30.8 g
Fats: 5.03 g
Carbs: 0 g
Water: 63.58 g
Other: 0.59 g
Contains more Fats +63.6%
Contains more Protein +11.4%
Equal in Water - 63.58
Equal in Other - 0.59

Fat Type Comparison

Fat type breakdown side-by-side comparison
Contains more Monounsaturated Fat +65.4%
Contains more Polyunsaturated fat +74.1%
Contains less Saturated Fat -43.6%
48% 47% 5%
Saturated Fat: 3.395 g
Monounsaturated Fat: 3.317 g
Polyunsaturated fat: 0.322 g
47% 49% 5%
Saturated Fat: 1.915 g
Monounsaturated Fat: 2.006 g
Polyunsaturated fat: 0.185 g
Contains more Monounsaturated Fat +65.4%
Contains more Polyunsaturated fat +74.1%
Contains less Saturated Fat -43.6%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Flank steak Beef sirloin Opinion
Protein 27.66g 30.8g Beef sirloin
Fats 8.23g 5.03g Flank steak
Calories 192kcal 177kcal Flank steak
Calcium 20mg 22mg Beef sirloin
Iron 1.74mg 1.92mg Beef sirloin
Magnesium 23mg 27mg Beef sirloin
Phosphorus 210mg 253mg Beef sirloin
Potassium 339mg 410mg Beef sirloin
Sodium 56mg 66mg Flank steak
Zinc 4.9mg 5.7mg Beef sirloin
Copper 0.082mg 0.085mg Beef sirloin
Manganese 0.009mg 0.011mg Beef sirloin
Selenium 29.4µg 38.9µg Beef sirloin
Vitamin E 0.38mg 0.39mg Beef sirloin
Vitamin B1 0.075mg 0.088mg Beef sirloin
Vitamin B2 0.133mg 0.163mg Beef sirloin
Vitamin B3 7.363mg 9.001mg Beef sirloin
Vitamin B5 0.545mg 0.607mg Beef sirloin
Vitamin B6 0.579mg 0.681mg Beef sirloin
Folate 9µg 10µg Beef sirloin
Vitamin B12 1.63µg 1.47µg Flank steak
Vitamin K 1.4µg 1.4µg
Tryptophan 0.182mg 0.202mg Beef sirloin
Threonine 1.105mg 1.23mg Beef sirloin
Isoleucine 1.259mg 1.401mg Beef sirloin
Leucine 2.201mg 2.45mg Beef sirloin
Lysine 2.338mg 2.603mg Beef sirloin
Methionine 0.72mg 0.802mg Beef sirloin
Phenylalanine 1.093mg 1.217mg Beef sirloin
Valine 1.372mg 1.528mg Beef sirloin
Histidine 0.883mg 0.983mg Beef sirloin
Cholesterol 79mg 81mg Flank steak
Saturated Fat 3.395g 1.915g Beef sirloin
Monounsaturated Fat 3.317g 2.006g Flank steak
Polyunsaturated fat 0.322g 0.185g Flank steak

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Flank steak Beef sirloin
Low Fats diet ok
Low Carbs diet Equal
Low Calories 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
48%
Flank steak
52%
Beef sirloin
Minerals Daily Need Coverage Score
54%
Flank steak
65%
Beef sirloin

Comparison summary

Which food contains less Sodium?
Flank steak
Flank steak contains less Sodium (difference - 10mg)
Which food is lower in Cholesterol?
Flank steak
Flank steak is lower in Cholesterol (difference - 2mg)
Which food is lower in Saturated Fat?
Beef sirloin
Beef sirloin is lower in Saturated Fat (difference - 1.48g)
Which food is richer in minerals?
Beef sirloin
Beef sirloin is relatively richer in minerals
Which food is richer in vitamins?
Beef sirloin
Beef sirloin is relatively richer in vitamins
Which food contains less Sugar?
?
The foods are relatively equal in Sugar (0 g)
Which food is lower in glycemic index?
?
The foods have equal glycemic indexes (0)
Which food is cheaper?
?
The foods are relatively equal in price ($)

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. Flank steak - https://fdc.nal.usda.gov/fdc-app.html#/food-details/168733/nutrients
  2. Beef sirloin - https://fdc.nal.usda.gov/fdc-app.html#/food-details/168636/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.