Legumes • Deep Nutrition Analytics
Soy protein isolate
As a recognized legumes, Soy protein isolate delivers 335 calories per 100g, with energy primarily anchored by protein (88.3g) to support daily activity. Notably, a single 100g serving delivers an exceptional 178% DV of Copper (1.6 mg), making it an elite dietary source. While caloric density is concentrated at 3.4 kcal/g, its robust micronutrient diversity offers meaningful cellular nourishment.
- Protein
- 88.3 g
- Carbohydrates
- 0 g
- Fat
- 3.4 g
- Fiber
- 0 g
Carbohydrate Quality & Sustained Energy
Soy protein isolate delivers 0g of carbohydrates balanced with 0g of fiber, yielding 0g of net carbs per 100g. This macro structure supports glycogen replenishment and stable digestive transit.
Complete Nutrition Profile (per 100 g)
Macronutrients
| Nutrient | Amount per 100 g |
|---|---|
| Total Sugars | 0 g |
| Carbohydrate, by difference | 0 g |
| Energy | 335 kcal |
| Protein | 88.3 g |
| Energy | 1400 kJ |
| Fiber, total dietary | 0 g |
| Total lipid (fat) | 3.4 g |
Micronutrients
| Nutrient | Amount per 100 g |
|---|---|
| Copper | 1.6 mg |
| Iron | 14.5 mg |
| Manganese | 1.5 mg |
| Phosphorus | 776 mg |
| Sodium | 1000 mg |
Vitamins
| Nutrient | Amount per 100 g |
|---|---|
| Vitamin B-6 | 0.1 mg |
Minerals
| Nutrient | Amount per 100 g |
|---|---|
| Iron, Fe | 14.5 mg |
| Magnesium, Mg | 39 mg |
| Phosphorus, P | 776 mg |
| Sodium, Na | 1000 mg |
| Copper, Cu | 1.6 mg |
| Manganese, Mn | 1.5 mg |
| Calcium, Ca | 178 mg |
| Potassium, K | 81 mg |
| Zinc, Zn | 4 mg |
| Selenium, Se | 0.8 µg |
Other nutrients
| Nutrient | Amount per 100 g |
|---|---|
| Folate, food | 176 µg |
| Choline, total | 191 mg |
| Folate, DFE | 176 µg |
| Ash | 3.6 g |
| Tryptophan | 1.1 g |
| Threonine | 3.1 g |
| Methionine | 1.1 g |
| Phenylalanine | 4.6 g |
| Tyrosine | 3.2 g |
| Alanine | 3.6 g |
| Glutamic acid | 17.5 g |
| Glycine | 3.6 g |
| Thiamin | 0.2 mg |
| Riboflavin | 0.1 mg |
| Folate, total | 176 µg |
| MUFA 16:1 | 0 g |
| SFA 14:0 | 0 g |
| Fatty acids, total saturated | 0.4 g |
| Proline | 5 g |
| Water | 5 g |
| Niacin | 1.4 mg |
| Pantothenic acid | 0.1 mg |
| Isoleucine | 4.3 g |
| Leucine | 6.8 g |
| Lysine | 5.3 g |
| Cystine | 1.1 g |
| Valine | 4.1 g |
| Arginine | 6.7 g |
| Histidine | 2.3 g |
| Aspartic acid | 10.2 g |
| Serine | 4.6 g |
| SFA 16:0 | 0.3 g |
| SFA 18:0 | 0.1 g |
| MUFA 18:1 | 0.6 g |
| PUFA 18:2 | 1.4 g |
| Fatty acids, total monounsaturated | 0.6 g |
| Fatty acids, total polyunsaturated | 1.6 g |
| PUFA 18:3 | 0.2 g |
Nutritional Highlights & Outliers
Iron Rich
Provides 14.5 mg of dietary iron (81% DV), contributing directly to systemic oxygen transport and hemoglobin maintenance.
Zinc Rich
Contains 4 mg of zinc, vital for cellular immunity, wound recovery, and protein metabolic processes.
Serving calculator
Common serving sizes
- oz28 g
Compare Soy protein isolate with Category Peers
Soy protein isolate vs Soy protein isolate, potassium type
Compared to Soy protein isolate, potassium type, Soy protein isolate has 0% more protein and 4% higher calories per 100g.
Soy protein isolate vs Soy protein concentrate, produced by acid wash
Compared to Soy protein concentrate, produced by acid wash, Soy protein isolate has 100% less fiber and 2% higher calories per 100g.
Frequently Asked Questions
How many calories are in Soy protein isolate?
A standard 100-gram serving of Soy protein isolate contains 335 calories (1402 kJ), alongside 88.3g of protein, 0g of carbohydrates, and 3.4g of fat.
In common serving sizes:- 28g (oz): ~95 kcal
Is Soy protein isolate suitable for a keto or low-carb diet?
Yes. With only 0g of net carbs per 100g (0g total carbohydrates minus 0g dietary fiber), Soy protein isolate is exceptionally keto-friendly and fits easily within strict daily carbohydrate limits.
What are the main vitamins and minerals found in Soy protein isolate?
According to MicroNutritious deep analytics of USDA laboratory data, the most significant micronutrients in a 100g serving of Soy protein isolate are:
- Copper: 1.6 mg (178% of your daily value)
- Iron: 14.5 mg (81% of your daily value)
- Manganese: 1.49 mg (65% of your daily value)
Values are standardized against FDA Daily Values for a 2,000 calorie diet.
Data source: USDA FoodData Central, SR Legacy (FDC ID 174276).