Soy protein isolate: calories and nutrition facts

Soy protein isolate has 402 kcal per 100 g. One serving, 1 Scoop (30 g), has 121 kcal.

Calories: 402 kcal
Protein: 80.5 g
Carbohydrates: 1.8 g
Fat: 3.4 g

Per 100 g

Soy protein isolate: how many calories?

Soy protein isolate has 402 kcal per 100 g, with 80.5 g protein, 1.8 g carbs and 3.4 g fat. A 30 g serving (1 Scoop) has 121 kcal. That is more than the average for Cooking Aids & Ingredients (199 kcal per 100 g). Most of its calories come from protein.

Where the calories come from

Protein90%
Carbohydrates2%
Fat8%

Calculate a portion

Amountg

Calories: 121 kcal
Protein: 24.2 g
Carbohydrates: 0.5 g
Fat: 1 g

Nutrition facts

Nutrient	Per 100 g	Per serving (30 g)
Calories	402 kcal	121 kcal
Fat	3.4 g	1 g
of which saturated fat	0.4 g	0.1 g
Carbohydrates	1.8 g	0.5 g
of which sugars	0 g	0 g
Fiber	5.6 g	1.7 g
Protein	80.5 g	24.2 g
Sodium	1,010 mg	303 mg
Water	5 g	1.5 g
Vitamin C	0 mg	0 mg
Calcium	178 mg	53 mg
Iron	14.5 mg	4.4 mg
Potassium	81 mg	24 mg
Magnesium	39 mg	12 mg

Source: Ciqual food composition table (ANSES, France). Data updated on 20 December 2025.

Share of reference intakes

Per 100 g, compared with an adult's reference intakes (2,000 kcal a day, Regulation (EU) No 1169/2011).

Nutrient	Of reference intake
Calories(402 kcal)	20%
Fat(3.4 g)	5%
of which saturated fat(0.4 g)	2%
Carbohydrates(1.8 g)	1%
of which sugars(0 g)	0%
Protein(80.5 g)	161%
Salt(2.53 g)	42%

What the EU thresholds say

Nutrition claim thresholds from Regulation (EC) No 1924/2006, per 100 g.

High protein (at least 20% of calories)
Source of fibre (at least 3 g)
Low sugars (5 g or less)

Soy protein isolate: frequently asked questions

Soy protein isolate: how many calories per serving?

A 30 g serving (1 Scoop) has 121 kcal.

Soy protein isolate: how much protein?

Soy protein isolate contains 80.5 g of protein per 100 g, 161% of the 50 g reference intake.

Soy protein isolate: how much fibre?

Soy protein isolate provides 5.6 g of fibre per 100 g, 22% of the 25 g a day recommended by EFSA.

Soy protein isolate: how much makes 100 kcal?

100 kcal is about 25 g of this food.

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