Whey Protein Isolate

Packaged product Other Foods ProNutrition

Whey Protein Isolate contains 375 kcal per 100 g. A serving, 1 scoop, 25 g (25 g) provides about 94 kcal.

Roughly 97% of its calories come from protein, with 2% from fat and 1% from carbohydrates (estimated with general energy factors).

That is more energy than the typical item in other foods on FoodFactly, where the median is 254 kcal per 100 g across 511,115 products.

100 g provides 38% of the Daily Value for calcium, 19% of the Daily Value for phosphorus and 14% of the Daily Value for magnesium.

The values are as declared on the product label and entered by Open Food Facts contributors.

Whey Protein Isolate by ProNutrition, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
375kcal per 100 g
90.4 gprotein
1 gcarbohydrates
1 gfat
94kcal in serving, 1 scoop, 25 g (25 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 375 kcal
Total fat L 1 g 1%
Saturated fat L 0.6 g 3%
Sodium L 400 mg 17%
Total carbohydrates L 1 g 0.4%
Dietary fiber not reported
Total sugars L 1 g
Protein L 90.4 g 181%
Calcium L 496 mg38%
Magnesium L 56.7 mg14%
Phosphorus L 236 mg19%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 97%Carbohydrates: 1%Fat: 2%375kcal / 100 g
  • Protein 97%
  • Carbohydrates 1%
  • Fat 2%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Calcium38%Phosphorus19%Magnesium14%

Nutritional insights

  • Protein90.4 gin the top quarter of other foods (median 7.4 g)
  • Sugars1 gbelow the median for other foods (median 3.2 g)
  • Fat1 gin the lowest quarter of other foods (median 6.6 g)
  • Saturated fat0.6 gbelow the median for other foods (median 2 g)
  • Sodium400 mgabove the median for other foods (median 248 mg)
  • Protein per 100 kcal24.1 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
ProNutrition
Barcode
6421766017189
Label serving
1 scoop (25 g)
Category
Other Foods

Ingredients

Ingredients not reported.

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WPI Whey Protein Isolate Pro Nutriton 375 90.4 g 1 g 0.5 g
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The whey My Protein 375 79.4 g 8.9 g 3.2 g
Hot and Sour Vermicelli SHI ZU ENERGY 375 6.6 g 55.5 g 13.8 g
Protein Powder BSc 375 65 g 32.8 g 6.3 g
Mercury Supa Mass Mercury 375 15.6 g 77.7 g 0.22 g
Serious Mass Optimum Nutrition 375 15 g 76.6 g 0.9 g
Pan Artesanal Casa Rica 375 8 g 59.4 g 10.7 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

  • Open Food Facts, record 6421766017189. License: ODbL 1.0 (Open Food Facts). Source record dated October 16, 2025. Imported November 12, 2026.

Last updated: . Data quality score: 85/100 (how it is calculated).

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.

Frequently asked questions

How many calories are in Whey Protein Isolate?

100 g of Whey Protein Isolate has 375 kcal. Serving, 1 scoop, 25 g (25 g): about 94 kcal.

Is Whey Protein Isolate high in protein?

Whey Protein Isolate contains 90.4 g of protein per 100 g (181% of the 50 g Daily Value), or 22.6 g in serving, 1 scoop, 25 g (25 g). About 97% of its calories come from protein. Compared with other other foods, that is among the highest quarter (median 7.4 g).

How many carbs are in Whey Protein Isolate?

Whey Protein Isolate has 1 g of total carbohydrates per 100 g, including 1 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Whey Protein Isolate?

Whey Protein Isolate contains 1 g of fat per 100 g, of which 0.6 g is saturated (3% of the Daily Value).

What vitamins and minerals does Whey Protein Isolate contain?

Per 100 g, the most notable amounts relative to the Daily Value are calcium (38% DV), phosphorus (19% DV) and magnesium (14% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Whey Protein Isolate?

100 g contains 400 mg of sodium, 17% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated October 16, 2025. FoodFactly last checked it on November 12, 2026. Each value above shows whether it was measured, calculated or taken from a label.