Soy Protein Isolate
90 calories per 1 oz (28.35 g), from USDA FoodData Central.
Nutrition facts
- Per 1 oz (28.35 g)% Daily Value
- Calories90 kcal
- Total Fat1 g1%
- Saturated Fat0 g1%
- Trans Fat0 g
- Cholesterol0 mg0%
- Sodium280 mg12%
- Total Carbohydrate0 g0%
- Dietary Fiber0 g0%
- Total Sugars0 g
- Added Sugars—
- Protein25 g
- Vitamin D0 mcg0%
- Calcium50 mg4%
- Iron4.1 mg25%
- Potassium20 mg0%
- Monounsaturated fat0 g
- Polyunsaturated fat0 g
- Vitamin A0 mcg RAE0%
- Vitamin C0 mg0%
- Vitamin E0 mg0%
- Vitamin K0 mcg0%
- Thiamin0.05 mg4%
- Riboflavin0.03 mg2%
- Vitamin B60.03 mg2%
- Folate50 mcg DFE10%
- Vitamin B120 mcg0%
- Pantothenic Acid0.02 mg0%
- Phosphorus220 mg20%
- Magnesium10 mg2%
- Zinc1.1 mg10%
- Selenium0.2 mcg0%
- Copper0.45 mg50%
- Manganese0.42 mg20%
- Choline50 mg10%
%DV for adults and children 4 and older.
Show the mathHide the math
- Calories95 kcal → 90 kcal · nearest 10 kcal
- Total Fat0.961 g → 1 g · nearest 0.5 g
- Saturated Fat0.12 g → 0 g · shown as 0
- Trans Fat0 g → 0 g · shown as 0
- Cholesterol0 mg → 0 mg · shown as 0
- Sodium285 mg → 280 mg · nearest 10 mg
- Total Carbohydrate0 g → 0 g · shown as 0
- Dietary Fiber0 g → 0 g · shown as 0
- Total Sugars0 g → 0 g · shown as 0
- Protein25 g → 25 g · nearest 1 g
- Vitamin D0 mcg → 0 mcg · nearest 0.01 mcg (FDA guidance)
- Calcium50.5 mg → 50 mg · nearest 10 mg (FDA guidance)
- Iron4.11 mg → 4.1 mg · nearest 0.1 mg (FDA guidance)
- Potassium23 mg → 20 mg · nearest 10 mg (FDA guidance)
USDA's value for this serving, then what a label prints. Where these numbers come from
Using Soy Protein Isolate in a recipe?
Get the full FDA Nutrition Facts label for your recipe with BetterMenu.
Get the full FDA labelWhere the calories come from
- Protein105% of calories
- Fat9% of calories
- Carbohydrate0% of calories
Questions about Soy Protein Isolate
How many calories are in Soy Protein Isolate?
Soy Protein Isolate has 90 calories per 1 oz (28.35 g) and 340 per 100 g, as a Nutrition Facts label rounds them.
How much protein is in Soy Protein Isolate?
Soy Protein Isolate has 25 g of protein per 1 oz (28.35 g) and 88 g per 100 g.
What does %DV mean here?
% Daily Value is the share of FDA's Daily Value in one serving, for adults and children 4 and older. Amounts and percentages are rounded the way a Nutrition Facts label rounds them. Protein shows no %DV: a label needs a protein quality score for it.
Where does this data come from?
- Nutrient values: USDA FoodData Central, SR Legacy, released 2018-04, FDC ID 174276.
- Daily Values and label rounding: FDA, 21 CFR 101.9, as of 2026-02-12.
- Rounding of each amount: 21 CFR 101.9(c).
- %DV: 21 CFR 101.9(d)(7)(ii).
More legumes and legume products
- Soy Protein Isolate (Potassium Type)
- Soy Sauce (Shoyu), Low Sodium
- Soy Sauce, Reduced Sodium, Hydrolyzed Vegetable Protein
- Soy Vermicelli Noodles
- Soybean Curd Cheese (Tofu)
- Soybeans, Mature Seeds, Boiled (With Salt)
- Soybeans, Mature Seeds, Roasted (No Salt)
- Soybeans, Raw
- Soymilk, Chocolate, Nonfat, Fortified
- Soymilk, Enhanced (All Flavors)
For information only. Check the sources before printing a label.