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Yolk vs. Custard — In-Depth Nutrition Comparison

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A recap on differences between yolk and custard

  • Custard has less choline, selenium, vitamin B12, vitamin B5, phosphorus, folate, iron, and vitamin D.
  • Yolk covers your daily cholesterol needs 345% more than custard.
  • Custard contains 70 times less choline than yolk. Yolk contains 820.2mg of choline, while custard contains 11.8mg.
  • Custard has less cholesterol.
  • The glycemic index of custard is higher.

Food varieties used in this article are Egg, yolk, raw, fresh and Egg custards, dry mix, prepared with whole milk.

Infographic

Yolk vs Custard 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.
Yolk
7
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 3.6% 39% 9.6% 102% 26% 63% 167% 6.3% 7.2% 305%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 11% 42% 18% 13% 10% 14% 56% 11% 0.91% 33%
Contains more IronIron +702.9%
Contains more CopperCopper +156.7%
Contains more ZincZinc +351%
Contains more PhosphorusPhosphorus +200%
Contains less SodiumSodium -42.9%
Contains more ManganeseManganese +685.7%
Contains more SeleniumSelenium +833.3%
Contains more MagnesiumMagnesium +220%
Contains more PotassiumPotassium +89.9%
~equal in Calcium ~139mg

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.
Yolk
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% 127% 52% 81% 44% 122% 0.45% 179% 81% 244% 1.8% 110% 447%
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% 17% 1.2% 18% 15% 51% 2.5% 42% 15% 65% 0.5% 6.8% 6.4%
Contains more Vitamin AVitamin A +632.7%
Contains more Vitamin EVitamin E +4200%
Contains more Vitamin DVitamin D +350%
Contains more Vitamin B1Vitamin B1 +188.5%
Contains more Vitamin B2Vitamin B2 +140%
Contains more Vitamin B5Vitamin B5 +327.8%
Contains more Vitamin B6Vitamin B6 +446.9%
Contains more Vitamin B12Vitamin B12 +275%
Contains more Vitamin KVitamin K +250%
Contains more FolateFolate +1522.2%
Contains more CholineCholine +6850.8%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin B3Vitamin B3 +450%

All nutrients comparison - raw data values

Nutrient Yolk Custard DV% diff.
Cholesterol 1085mg 51mg 345%
Choline 820.2mg 11.8mg 147%
Selenium 56µg 6µg 91%
Vitamin B12 1.95µg 0.52µg 60%
Vitamin B5 2.99mg 0.699mg 46%
Phosphorus 390mg 130mg 37%
Vitamin A 381µg 52µg 37%
Fats 26.54g 4g 35%
Saturated fat 9.551g 2.032g 34%
Folate 146µg 9µg 34%
Iron 2.73mg 0.34mg 30%
Monounsaturated fat 11.738g 1.127g 27%
Polyunsaturated fat 4.204g 0.312g 26%
Protein 15.86g 3.99g 24%
Vitamin B2 0.528mg 0.22mg 24%
Vitamin B6 0.35mg 0.064mg 22%
Vitamin D 218IU 47IU 21%
Vitamin D 5.4µg 1.2µg 21%
Vitamin E 2.58mg 0.06mg 17%
Zinc 2.3mg 0.51mg 16%
Vitamin B1 0.176mg 0.061mg 10%
Calories 322kcal 122kcal 10%
Copper 0.077mg 0.03mg 5%
Carbs 3.59g 17.6g 5%
Potassium 109mg 207mg 3%
Magnesium 5mg 16mg 3%
Manganese 0.055mg 0.007mg 2%
Sodium 48mg 84mg 2%
Vitamin B3 0.024mg 0.132mg 1%
Calcium 129mg 139mg 1%
Vitamin C 0mg 0.1mg 0%
Net carbs 3.59g 17.6g N/A
Sugar 0.56g 4.82g N/A
Vitamin K 0.7µg 0.2µg 0%
Tryptophan 0.177mg 0.082mg 0%
Threonine 0.687mg 0.192mg 0%
Isoleucine 0.866mg 0.207mg 0%
Leucine 1.399mg 0.337mg 0%
Lysine 1.217mg 0.214mg 0%
Methionine 0.378mg 0.091mg 0%
Phenylalanine 0.681mg 0.173mg 0%
Valine 0.949mg 0.233mg 0%
Histidine 0.416mg 0.092mg 0%
Fructose 0.07g 0g 0%
Omega-3 - EPA 0.011g 0g N/A
Omega-3 - DHA 0.114g 0.003g N/A

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Yolk
3
16% 27% 4% 52% 2%
Protein: 15.86 g
Fats: 26.54 g
Carbs: 3.59 g
Water: 52.31 g
Other: 1.7 g
4% 4% 18% 73%
Protein: 3.99 g
Fats: 4 g
Carbs: 17.6 g
Water: 73.45 g
Other: 0.96 g
Contains more ProteinProtein +297.5%
Contains more FatsFats +563.5%
Contains more OtherOther +77.1%
Contains more CarbsCarbs +390.3%
Contains more WaterWater +40.4%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Yolk
2
37% 46% 16%
Saturated fat: Sat. Fat 9.551 g
Monounsaturated fat: Mono. Fat 11.738 g
Polyunsaturated fat: Poly. Fat 4.204 g
59% 32% 9%
Saturated fat: Sat. Fat 2.032 g
Monounsaturated fat: Mono. Fat 1.127 g
Polyunsaturated fat: Poly. Fat 0.312 g
Contains more Mono. FatMonounsaturated fat +941.5%
Contains more Poly. FatPolyunsaturated fat +1247.4%
Contains less Sat. FatSaturated fat -78.7%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Yolk
5
13% 34% 13% 13% 13% 13%
Starch: 0 g
Sucrose: 0.07 g
Glucose: 0.18 g
Fructose: 0.07 g
Lactose: 0.07 g
Maltose: 0.07 g
Galactose: 0.07 g
100%
Starch: 0 g
Sucrose: 0 g
Glucose: 0 g
Fructose: 0 g
Lactose: 4.63 g
Maltose: 0 g
Galactose: 0 g
Contains more SucroseSucrose +∞%
Contains more GlucoseGlucose +∞%
Contains more FructoseFructose +∞%
Contains more MaltoseMaltose +∞%
Contains more GalactoseGalactose +∞%
Contains more LactoseLactose +6514.3%
~equal in Starch ~0g

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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. Yolk - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172184/nutrients
  2. Custard - https://fdc.nal.usda.gov/fdc-app.html#/food-details/168773/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.