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McDonald's Big Mac vs. Fajita — In-Depth Nutrition Comparison

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Significant differences between mcDonald's Big Mac and fajita

  • McDonald's Big Mac has more vitamin B12, iron, folate, calcium, and copper; however, fajita is richer in phosphorus and vitamin B3.
  • Fajita covers your daily phosphorus needs 22% more than mcDonald's Big Mac.
  • Fajita has 12 times less folate than mcDonald's Big Mac. McDonald's Big Mac has 46µg of folate, while fajita has 4µg.
  • Fajita contains less saturated fat.
  • McDonald's Big Mac has a higher glycemic index. The glycemic index of mcDonald's Big Mac is 66, while the glycemic index of fajita is 42.

Specific food types used in this comparison are McDONALD'S, BIG MAC and USDA Commodity, chicken fajita strips, frozen.

Infographic

McDonald's Big Mac vs Fajita 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 14% 35% 16% 75% 33% 52% 52% 60% 27% 0%
Fajita
3
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 16% 3.9% 25% 37% 10% 37% 119% 104% 8.6% 91%
Contains more CalciumCalcium +792.3%
Contains more IronIron +102%
Contains more CopperCopper +226.7%
Contains more ZincZinc +39.4%
Contains less SodiumSodium -42.4%
Contains more ManganeseManganese +212.1%
Contains more PotassiumPotassium +56.9%
Contains more PhosphorusPhosphorus +127%
~equal in Magnesium ~22mg

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 1.3% 0% 0% 0% 44% 48% 63% 0% 0% 110% 0% 35% 0%
Fajita
6
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% 4.4% 0% 25% 49% 90% 44% 89% 68% 0.5% 3% 37%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin B1Vitamin B1 +76%
Contains more Vitamin B12Vitamin B12 +63%
Contains more FolateFolate +1050%
Contains more Vitamin B3Vitamin B3 +41.2%
~equal in Vitamin A ~0µg
~equal in Vitamin D ~µg
~equal in Vitamin B2 ~0.213mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
12% 15% 20% 51% 2%
Protein: 11.82 g
Fats: 14.96 g
Carbs: 20.08 g
Water: 51.3 g
Other: 1.84 g
Fajita
3
19% 6% 2% 71% 3%
Protein: 18.56 g
Fats: 5.73 g
Carbs: 2.23 g
Water: 70.6 g
Other: 2.88 g
Contains more FatsFats +161.1%
Contains more CarbsCarbs +800.4%
Contains more ProteinProtein +57%
Contains more WaterWater +37.6%
Contains more OtherOther +56.5%

Fat Type Comparison

Fat type breakdown side-by-side comparison
50% 46% 4%
Saturated fat: Sat. Fat 3.803 g
Monounsaturated fat: Mono. Fat 3.474 g
Polyunsaturated fat: Poly. Fat 0.306 g
Fajita
2
32% 46% 22%
Saturated fat: Sat. Fat 1.596 g
Monounsaturated fat: Mono. Fat 2.333 g
Polyunsaturated fat: Poly. Fat 1.089 g
Contains more Mono. FatMonounsaturated fat +48.9%
Contains less Sat. FatSaturated fat -58%
Contains more Poly. FatPolyunsaturated fat +255.9%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient McDonald's Big Mac Fajita DV% diff.
Selenium 16.7µg 30%
Vitamin B6 0.387mg 30%
Phosphorus 122mg 277mg 22%
Cholesterol 36mg 88mg 17%
Sodium 460mg 799mg 15%
Vitamin B5 0.726mg 15%
Fats 14.96g 5.73g 14%
Vitamin B12 0.88µg 0.54µg 14%
Protein 11.82g 18.56g 13%
Iron 2mg 0.99mg 13%
Choline 67.8mg 12%
Folate 46µg 4µg 11%
Calcium 116mg 13mg 10%
Saturated fat 3.803g 1.596g 10%
Vitamin B3 3.384mg 4.779mg 9%
Copper 0.098mg 0.03mg 8%
Vitamin B1 0.176mg 0.1mg 6%
Calories 257kcal 135kcal 6%
Manganese 0.206mg 0.066mg 6%
Carbs 20.08g 2.23g 6%
Fiber 1.6g 0g 6%
Zinc 1.91mg 1.37mg 5%
Polyunsaturated fat 0.306g 1.089g 5%
Monounsaturated fat 3.474g 2.333g 3%
Potassium 181mg 284mg 3%
Fructose 1.69g 2%
Vitamin E 0.22mg 1%
Vitamin C 0.4mg 0mg 0%
Net carbs 18.48g 2.23g N/A
Magnesium 20mg 22mg 0%
Sugar 3.97g 0g N/A
Vitamin B2 0.209mg 0.213mg 0%
Vitamin K 0.2µg 0%
Trans fat 0.588g N/A
Tryptophan 0.2mg 0%
Threonine 0.452mg 0%
Isoleucine 0.813mg 0%
Leucine 1.56mg 0%
Lysine 1.857mg 0%
Methionine 0.552mg 0%
Phenylalanine 0.763mg 0%
Valine 0.847mg 0%
Histidine 0.68mg 0%
Omega-3 - DPA 0.007g N/A
Omega-6 - Eicosadienoic acid 0.01g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
McDonald's Big Mac Fajita
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
23%
McDonald's Big Mac
31%
Fajita
Minerals Daily Need Coverage Score
36%
McDonald's Big Mac
45%
Fajita

Comparison summary

Which food is lower in Cholesterol?
McDonald's Big Mac
McDonald's Big Mac is lower in Cholesterol (difference - 52mg)
Which food contains less Sodium?
McDonald's Big Mac
McDonald's Big Mac contains less Sodium (difference - 339mg)
Which food is lower in Sugar?
Fajita
Fajita is lower in Sugar (difference - 3.97g)
Which food is lower in Saturated fat?
Fajita
Fajita is lower in Saturated fat (difference - 2.207g)
Which food is lower in glycemic index?
Fajita
Fajita is lower in glycemic index (difference - 24)
Which food is richer in vitamins?
Fajita
Fajita is relatively richer in vitamins
Which food is cheaper?
?
The foods are relatively equal in price ($)
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. McDonald's Big Mac - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170720/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.