How many calories are in Soybeans, Mature Seeds?

A 100 g serving of Soybeans, Mature Seeds has 446 kcal. The calories in your portion depend on its weight and how it is prepared.

How much protein is in Soybeans, Mature Seeds?

Per 100 g there are 36.5 g of protein — about 73% of the Daily Value (50 g).

How much fat and carbs are in Soybeans, Mature Seeds?

Per 100 g there are 19.9 g of fat and 30.2 g of carbohydrate, including 9.3 g of fiber.

What nutrients is Soybeans, Mature Seeds high in?

Per 100 g it notably contributes to your Daily Value for: Iron (87% DV), Protein (73% DV), Magnesium (67% DV).

Legumes & Soy

Soybeans, Mature Seeds

USDA reference values for soybeans, mature seeds (per 100 g).

446kcalCalories

36.5gProtein

19.9gFat

30.2gCarbs

Protein, fat and carb balance

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

Protein 34.1%
Fat 42%
Carbs 23.9%

What this food is high in

87% Iron 15.7 mg / 100 g 73% Protein 36.5 g / 100 g 67% Magnesium 280 mg / 100 g 38% Potassium 1,797 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	36.5 g	73%
Total Fat	19.9 g	26%
Saturated Fat	2.9 g	14%
Carbohydrate	30.2 g	11%
Dietary Fiber	9.3 g	33%
Total Sugars	7.3 g	15%
Minerals
Sodium	2 mg	<1%
Potassium	1,797 mg	38%
Calcium	277 mg	21%
Iron	15.7 mg	87%
Magnesium	280 mg	67%
Vitamins
Vitamin C	6 mg	7%
Vitamin A	1 mcg	<1%
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 Soybeans, Mature Seeds?: A 100 g serving of Soybeans, Mature Seeds has 446 kcal. The calories in your portion depend on its weight and how it is prepared.
How much protein is in Soybeans, Mature Seeds?: Per 100 g there are 36.5 g of protein — about 73% of the Daily Value (50 g).
How much fat and carbs are in Soybeans, Mature Seeds?: Per 100 g there are 19.9 g of fat and 30.2 g of carbohydrate, including 9.3 g of fiber.
What nutrients is Soybeans, Mature Seeds high in?: Per 100 g it notably contributes to your Daily Value for: Iron (87% DV), Protein (73% DV), Magnesium (67% 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 Soybeans, Mature Seeds 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.