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Soy protein isolate vs. Soy milk — In-Depth Nutrition Comparison

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Important differences between Soy protein isolate and Soy milk

  • Soy protein isolate has more Iron, Copper, Phosphorus, Manganese, Folate, Zinc, Choline, Calcium, and Vitamin B1 than Soy milk.
  • Soy protein isolate's daily need coverage for Iron is 173% more.
  • Soy protein isolate contains 34 times more Zinc than Soy milk. Soy protein isolate contains 4.03mg of Zinc, while Soy milk contains 0.12mg.
  • Soy milk contains less Sodium.

The food varieties used in the comparison are Soy protein isolate and Soymilk, original and vanilla, unfortified.

Infographic

Soy protein isolate vs Soy milk 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 28% 53% 7.1% 544% 533% 110% 333% 131% 195% 4.4%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 18% 7.5% 10% 24% 43% 3.3% 22% 6.7% 29% 26%
Contains more MagnesiumMagnesium +56%
Contains more CalciumCalcium +612%
Contains more IronIron +2165.6%
Contains more CopperCopper +1149.2%
Contains more ZincZinc +3258.3%
Contains more PhosphorusPhosphorus +1392.3%
Contains more ManganeseManganese +569.5%
Contains more PotassiumPotassium +45.7%
Contains less SodiumSodium -94.9%
Contains more SeleniumSelenium +500%

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% 0% 0% 0% 44% 23% 27% 3.6% 23% 0% 0% 132% 104%
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% 0.18% 2.2% 0% 15% 16% 9.6% 22% 18% 0% 7.5% 14% 13%
Contains more Vitamin B1Vitamin B1 +193.3%
Contains more Vitamin B2Vitamin B2 +44.9%
Contains more Vitamin B3Vitamin B3 +180.3%
Contains more Vitamin B6Vitamin B6 +29.9%
Contains more FolateFolate +877.8%
Contains more CholineCholine +708.9%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin E Vitamin E +∞%
Contains more Vitamin B5Vitamin B5 +521.7%
Contains more Vitamin KVitamin K +∞%
~equal in Vitamin C ~0mg
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
88% 3% 5% 3%
Protein: 88.32 g
Fats: 3.39 g
Carbs: 0 g
Water: 4.98 g
Other: 3.31 g
3% 2% 6% 88%
Protein: 3.27 g
Fats: 1.75 g
Carbs: 6.28 g
Water: 88.05 g
Other: 0.65 g
Contains more ProteinProtein +2600.9%
Contains more FatsFats +93.7%
Contains more OtherOther +409.2%
Contains more CarbsCarbs +∞%
Contains more WaterWater +1668.1%

Fat Type Comparison

Fat type breakdown side-by-side comparison
16% 24% 61%
Saturated Fat: Sat. Fat 0.422 g
Monounsaturated Fat: Mono. Fat 0.645 g
Polyunsaturated fat: Poly. Fat 1.648 g
13% 26% 61%
Saturated Fat: Sat. Fat 0.205 g
Monounsaturated Fat: Mono. Fat 0.401 g
Polyunsaturated fat: Poly. Fat 0.961 g
Contains more Mono. FatMonounsaturated Fat +60.8%
Contains more Poly. FatPolyunsaturated fat +71.5%
Contains less Sat. FatSaturated Fat -51.4%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Soy protein isolate Soy milk Opinion
Calories 335kcal 54kcal Soy protein isolate
Protein 88.32g 3.27g Soy protein isolate
Fats 3.39g 1.75g Soy protein isolate
Net carbs 0g 5.68g Soy milk
Carbs 0g 6.28g Soy milk
Magnesium 39mg 25mg Soy protein isolate
Calcium 178mg 25mg Soy protein isolate
Potassium 81mg 118mg Soy milk
Iron 14.5mg 0.64mg Soy protein isolate
Sugar 0g 3.99g Soy protein isolate
Fiber 0g 0.6g Soy milk
Copper 1.599mg 0.128mg Soy protein isolate
Zinc 4.03mg 0.12mg Soy protein isolate
Phosphorus 776mg 52mg Soy protein isolate
Sodium 1005mg 51mg Soy milk
Vitamin A 0IU 3IU Soy milk
Vitamin E 0mg 0.11mg Soy milk
Manganese 1.493mg 0.223mg Soy protein isolate
Selenium 0.8µg 4.8µg Soy milk
Vitamin B1 0.176mg 0.06mg Soy protein isolate
Vitamin B2 0.1mg 0.069mg Soy protein isolate
Vitamin B3 1.438mg 0.513mg Soy protein isolate
Vitamin B5 0.06mg 0.373mg Soy milk
Vitamin B6 0.1mg 0.077mg Soy protein isolate
Vitamin K 0µg 3µg Soy milk
Folate 176µg 18µg Soy protein isolate
Choline 190.9mg 23.6mg Soy protein isolate
Saturated Fat 0.422g 0.205g Soy milk
Monounsaturated Fat 0.645g 0.401g Soy protein isolate
Polyunsaturated fat 1.648g 0.961g Soy protein isolate
Tryptophan 1.116mg 0.038mg Soy protein isolate
Threonine 3.137mg 0.108mg Soy protein isolate
Isoleucine 4.253mg 0.114mg Soy protein isolate
Leucine 6.783mg 0.186mg Soy protein isolate
Lysine 5.327mg 0.131mg Soy protein isolate
Methionine 1.13mg 0.027mg Soy protein isolate
Phenylalanine 4.593mg 0.113mg Soy protein isolate
Valine 4.098mg 0.117mg Soy protein isolate
Histidine 2.303mg 0.061mg Soy protein isolate

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Soy protein isolate Soy milk
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
27%
Soy protein isolate
9%
Soy milk
Minerals Daily Need Coverage Score
194%
Soy protein isolate
19%
Soy milk

Comparison summary

Which food is lower in Sugar?
Soy protein isolate
Soy protein isolate is lower in Sugar (difference - 3.99g)
Which food is lower in glycemic index?
Soy protein isolate
Soy protein isolate is lower in glycemic index (difference - 37)
Which food is cheaper?
Soy protein isolate
Soy protein isolate is cheaper (difference - $1.8)
Which food is richer in minerals?
Soy protein isolate
Soy protein isolate is relatively richer in minerals
Which food contains less Sodium?
Soy milk
Soy milk contains less Sodium (difference - 954mg)
Which food is lower in Saturated Fat?
Soy milk
Soy milk is lower in Saturated Fat (difference - 0.217g)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in vitamins?
?
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. Soy protein isolate - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174276/nutrients
  2. Soy milk - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172446/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.