How many calories are in Soy Protein Isolate?

A 100 g serving of Soy Protein Isolate has 335 kcal. The calories in your portion depend on its weight and how it is prepared.

How much protein is in Soy Protein Isolate?

Per 100 g there are 88.3 g of protein — about 177% of the Daily Value (50 g).

How much fat and carbs are in Soy Protein Isolate?

Per 100 g there are 3.4 g of fat and 0 g of carbohydrate, including 0 g of fiber.

What nutrients is Soy Protein Isolate high in?

Per 100 g it notably contributes to your Daily Value for: Protein (177% DV), Iron (81% DV), Calcium (14% DV).

Legumes & Soy

Soy Protein Isolate

USDA reference values for soy protein isolate (per 100 g).

335kcalCalories

88.3gProtein

3.4gFat

0gCarbs

Protein, fat and carb balance

Share of calories from each macronutrient (per 100 g).

Protein 92.1%
Fat 7.9%
Carbs 0%

What this food is high in

177% Protein 88.3 g / 100 g 81% Iron 14.5 mg / 100 g 14% Calcium 178 mg / 100 g

Shown as percent of the Daily Value per 100 g.

Full nutrition facts (per 100 g)

Nutrient	Per 100 g	% DV*
Macronutrients
Protein	88.3 g	177%
Total Fat	3.4 g	4%
Saturated Fat	0.4 g	2%
Carbohydrate	0 g	0%
Dietary Fiber	0 g	0%
Total Sugars	0 g	0%
Minerals
Sodium	1,005 mg	44%
Potassium	81 mg	2%
Calcium	178 mg	14%
Iron	14.5 mg	81%
Magnesium	39 mg	9%
Vitamins
Vitamin C	0 mg	0%
Vitamin A	0 mcg	0%
Vitamin D	0 mcg	0%
Other
Cholesterol	0 mg	0%

* Percent of the Daily Value (Daily Value, based on a 2,000 kcal diet).

Data source: USDA FoodData Central. Values are per 100 g of edible portion and are reference figures — they vary by variety, preparation and brand. Last updated: 2026-04-30.

Frequently asked questions

How many calories are in Soy Protein Isolate?: A 100 g serving of Soy Protein Isolate has 335 kcal. The calories in your portion depend on its weight and how it is prepared.
How much protein is in Soy Protein Isolate?: Per 100 g there are 88.3 g of protein — about 177% of the Daily Value (50 g).
How much fat and carbs are in Soy Protein Isolate?: Per 100 g there are 3.4 g of fat and 0 g of carbohydrate, including 0 g of fiber.
What nutrients is Soy Protein Isolate high in?: Per 100 g it notably contributes to your Daily Value for: Protein (177% DV), Iron (81% DV), Calcium (14% DV).

Similar foods and comparisons

Bacon Bits, Meatless 476 kcal 32 g protein Bacon, Meatless 309 kcal 11.7 g protein Beans 47 kcal 1.8 g protein Beans, Adzuki 329 kcal 19.9 g protein Beans, Adzuki 128 kcal 7.5 g protein Beans, Adzuki 237 kcal 3.8 g protein

Compare Soy Protein Isolate with: Bacon Bits, Meatless Bacon, Meatless Beans Beans, Adzuki

Note. This information is provided for general reference only and is not medical advice or a diet prescription. If you have a medical condition or special dietary needs, consult a physician or a registered dietitian.