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

Soy Protein Isolate belongs to the legumes & soy category of our catalog. A 100 g serving provides 335 kcal with 88.3 g of protein, 3.4 g of fat, 0 g of carbohydrate. Its strongest contribution is protein — 177% of the Daily Value per 100 g (see the high protein foods: the best sources to eat guide). Related entries in the same group include Soy Protein Concentrate, Produced By Acid Wash and Soy Protein Isolate, Potassium Type, or jump to the full food catalog.

335kcalCalories

88.3gProtein

3.4gFat

0gCarbs

Calorie & macro balance

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

335 kcal / 100 g

Protein92.1%88.3 g
Fat7.9%3.4 g
Carbs0%0 g

What this food is high in

Protein 88.3 g / 100 g Iron 14.5 mg / 100 g Calcium 178 mg / 100 g

Shown as percent of the Daily Value per 100 g. Tap a ring to explore that nutrient across all foods.

Full nutrition facts (per 100 g)

Nutrient	Per 100 g	% DV*
Energy
Calories	335 kcal	17%
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 (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

Soy Protein Isolate vs Bacon Bits, Meatless Soy Protein Isolate vs Bacon, Meatless Soy Protein Isolate vs Beans Soy Protein Isolate vs Beans, Adzuki

Keep exploring

All legumes & soy Legumes & Soy highest in protein All foods highest in protein High Protein Foods: The Best Sources to Eat guide Compare foods

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.