Soy Protein Isolate - How Many Calories?

Reviewed by Dyt. Şeyda Ertaş, Registered Dietitian Last updated: January 4, 2026

Soy Protein Isolate

~23.3 g

Calculated from the 100 g values. ~ indicates an estimated serving weight.

Soy Protein Isolate image
85kcal
Carbohydrate0.7 g %3
Protein21 g %95
Fat0.2 g %2

Soy Protein Isolate Nutrition Values

Nutrients100 gr1 Portion (Medium)
Calories(kcal)36585
Carbohydrate (g)30.7
Protein (g)9020.97
Fat (g)10.23
Fiber (g)00
Cholesterol (mg)00
Sodium (mg)1005234.17
Potassium (mg)17039.61
Calcium (mg)17841.47
Iron (mg)14.53.38
Vitamin A (IU)00
Vitamin C (mg)00

Values are calculated from a 100 g basis. The product, recipe and edible serving weight can change the result. See the food-specific notes below for the reference used.

Dietitian's Tips for Consuming Soy Protein Isolate

  • Metabolic Effect: Soy protein isolate is an excellent source of protein for increasing and maintaining muscle mass. It stands out with its low carbohydrate and fat content.
  • Consumption Recommendation: You can consume a scoop of soy protein isolate mixed with water or milk before or after exercise. It is a good alternative, especially for vegans and vegetarians.
  • Things to Consider: People with kidney disorders should avoid excessive consumption. Be careful not to exceed your daily protein needs. Overdosing may cause digestive problems.
  • Exercise Equivalent: To burn the calories you get from 100 grams of soy protein isolate, you need to walk at a moderate pace for about 85 minutes. This time may vary depending on your metabolic rate.