How many calories are in Soybeans, Mature Seeds?

A 100 g serving of Soybeans, Mature Seeds has 449 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 43.3 g of protein — about 87% of the Daily Value (50 g).

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

Per 100 g there are 21.6 g of fat and 29 g of carbohydrate, including 8.1 g of fiber.

What nutrients is Soybeans, Mature Seeds high in?

Per 100 g it notably contributes to your Daily Value for: Protein (87% DV), Magnesium (54% DV), Potassium (29% DV).

Legumes & Soy

Soybeans, Mature Seeds

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

449kcalCalories

43.3gProtein

21.6gFat

29gCarbs

Protein, fat and carb balance

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

Protein 37.1%
Fat 41.6%
Carbs 21.3%

What this food is high in

87% Protein 43.3 g / 100 g 54% Magnesium 228 mg / 100 g 29% Potassium 1,364 mg / 100 g 29% Dietary Fiber 8.1 g / 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	43.3 g	87%
Total Fat	21.6 g	28%
Saturated Fat	3.1 g	16%
Carbohydrate	29 g	11%
Dietary Fiber	8.1 g	29%
Total Sugars	—
Minerals
Sodium	2 mg	<1%
Potassium	1,364 mg	29%
Calcium	140 mg	11%
Iron	4 mg	22%
Magnesium	228 mg	54%
Vitamins
Vitamin C	4.6 mg	5%
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 Soybeans, Mature Seeds?: A 100 g serving of Soybeans, Mature Seeds has 449 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 43.3 g of protein — about 87% of the Daily Value (50 g).
How much fat and carbs are in Soybeans, Mature Seeds?: Per 100 g there are 21.6 g of fat and 29 g of carbohydrate, including 8.1 g of fiber.
What nutrients is Soybeans, Mature Seeds high in?: Per 100 g it notably contributes to your Daily Value for: Protein (87% DV), Magnesium (54% DV), Potassium (29% 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.