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Soy Protein Isolate — Calories, Nutrition & Ingredients

1kg UPC 5056307361424 Protein powders Updated 16 Oct 2026

Soy Protein Isolate
Photo: Open Food Facts contributors, CC BY-SA 3.0
Calories
341per 100 g
Protein
76 gper 100 g
Carbs
7.2 gper 100 g
Fat
0.8 gper 100 g

Where to buy

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Per serving (30 g): 102 calories. Per 100 g: 341 calories, 76 g protein, 0.8 g fat.

Label highlights: Fat: low Saturates: low Sugars: low Salt: high HFSS

Red means high in the UK front-of-pack traffic-light system. These colours are our calculation from the declared values, not a label on the pack. In this product:

  • Salt: 5.20 g per 100 g (red above 1.50 g)
Calculated from the nutrition data on file; check the package label. How the traffic-light colours work »

Nutrition

Portion size: 30 g

Per 100 gPer portion (%RI*)
Energy 1427 kJ / 341 kcal 428 kJ / 102 kcal (5%)
Fat 0.8 g 0.2 g (0%)
of which saturates 0.6 g 0.2 g (1%)
Carbohydrate 7.2 g 2.2 g (1%)
of which sugars 0 g 0 g (0%)
Fibre 0 g 0 g
Protein 76 g 22.8 g (46%)
Salt 5.20 g 1.56 g (26%)

*Reference intake of an average adult (8400 kJ / 2000 kcal)

Calculated from Open Food Facts per-100 g data for the stated serving; values may differ slightly from the package label because of rounding.

Per 100 g and custom amounts

Nutrition per amount

341 calories in 100 g
Protein76 g
Carbohydrates7.2 g
Sugars0 g
Added sugars0 g
Fibre0 g
Fat0.8 g
Saturated fat0.6 g
Sodium2080 mg
Calcium6 mg
Potassium820 mg
Iron1.1 mg
Vitamin C0.5 mg

Ingredient flags

Ingredient list not available — flags cannot be shown.

Data: Open Food Facts (ODbL) · Photo: Open Food Facts contributors (CC BY-SA)

Where to buy Soy Protein Isolate

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Healthier swaps

Same category, better nutrition per 100 g (see methodology).

We compare per-100 g values from Open Food Facts. A swap must be at least as good on sugars, saturates, salt, calories, protein and fibre (where listed) and strictly better on at least one of those nutrients. Check the label for your portion size.

Ingredients

Soy protein isolate

Frequently asked questions

How many calories are in Soy Protein Isolate?

Per 100 g of Soy Protein Isolate there are 341 calories.

How much protein is in Soy Protein Isolate?

Per 100 g of Soy Protein Isolate there are 76.0 g protein.

How many carbohydrates are in Soy Protein Isolate?

Per 100 g of Soy Protein Isolate there are 7.2 g carbohydrates. Of which 0.0 g sugars.

How much sugar is in Soy Protein Isolate?

Per 100 g of Soy Protein Isolate there are 0.0 g sugars.

How much sodium (salt) is in Soy Protein Isolate?

Per 100 g of Soy Protein Isolate there are 2080.0 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.

How much fibre is in Soy Protein Isolate?

Per 100 g of Soy Protein Isolate there are 0.0 g fibre. Fibre is important for digestive health.

What are the main ingredients in Soy Protein Isolate?

The main ingredients in Soy Protein Isolate are: Soy protein isolate.

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Level of processing

1
Unprocessed
1 ingredient
UnprocessedUltra-processed

Nutrition breakdown

Macronutrients

Types of fat

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