Performance whey isolate

Packaged product Other Foods Optimum Nutrition

Performance whey isolate contains 140 kcal per 100 g. A serving, 38 g (38 g) provides about 53 kcal.

Roughly 90% of its calories come from protein, with 7% from fat and 3% from carbohydrates (estimated with general energy factors).

That is less energy than the typical item in other foods on FoodFactly, where the median is 375 kcal per 100 g across 2,276 products.

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

Performance whey isolate by Optimum Nutrition, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
140kcal per 100 g
30 gprotein
1 gcarbohydrates
1 gfat
53kcal in serving, 38 g (38 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 140 kcal
Total fat L 1 g 1%
Saturated fat L 0 g 0%
Sodium not reported
Total carbohydrates L 1 g 0.4%
Dietary fiber L 0 g 0%
Total sugars L 0 g
Protein L 30 g 60%

% 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: 90%Carbohydrates: 3%Fat: 7%140kcal / 100 g
  • Protein 90%
  • Carbohydrates 3%
  • Fat 7%

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

Nutritional insights

  • Protein30 gin the lowest quarter of other foods (median 76 g)
  • Fiber0 gin the lowest quarter of other foods (median 1.4 g)
  • Sugars0 gin the lowest quarter of other foods (median 3.2 g)
  • Fat1 gin the lowest quarter of other foods (median 4.1 g)
  • Saturated fat0 gin the lowest quarter of other foods (median 1.7 g)
  • Protein per 100 kcal21.4 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Optimum Nutrition
Barcode
0748927051711
Label serving
38 g
Category
Protein powders

Ingredients

Ingredients not reported.

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

Frequently asked questions

How many calories are in Performance whey isolate?

100 g of Performance whey isolate has 140 kcal. Serving, 38 g (38 g): about 53 kcal.

Is Performance whey isolate high in protein?

Performance whey isolate contains 30 g of protein per 100 g (60% of the 50 g Daily Value), or 11.4 g in serving, 38 g (38 g). About 90% of its calories come from protein. Compared with other other foods, that is in the lowest quarter (median 76 g).

How many carbs are in Performance whey isolate?

Performance whey isolate has 1 g of total carbohydrates per 100 g, including 0 g of fiber and 0 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Performance whey isolate?

Performance whey isolate contains 1 g of fat per 100 g, of which 0 g is saturated (0% of the Daily Value).

Where does this nutrition data come from?

From Open Food Facts, record dated December 1, 2022. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • Open Food Facts, record 0748927051711. License: ODbL 1.0 (Open Food Facts). Source record dated December 1, 2022. Imported November 6, 2026.

Last updated: . Data quality score: 80/100 (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.