Whey Protein Isolate

Packaged product Other Foods Amino Z

Whey Protein Isolate contains 388 kcal per 100 g. A serving, 1 serving, 38.9 g (38.9 g) provides about 151 kcal.

Roughly 72% of its calories come from protein, with 19% from carbohydrates and 10% from fat (estimated with general energy factors).

That is more energy than the typical item in other foods on FoodFactly, where the median is 264 kcal per 100 g across 358,700 products.

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

388kcal per 100 g
67.4 gprotein
17.5 gcarbohydrates
4.1 gfat
151kcal in serving, 1 serving, 38.9 g (38.9 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 388 kcal
Total fat L 4.1 g 5%
Saturated fat L 2.3 g 12%
Sodium L 221 mg 10%
Total carbohydrates L 17.5 g 6%
Dietary fiber L 2.1 g 7%
Total sugars L 5.9 g
Protein L 67.4 g 135%

% 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: 72%Carbohydrates: 19%Fat: 10%388kcal / 100 g
  • Protein 72%
  • Carbohydrates 19%
  • Fat 10%

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

Nutritional insights

  • Protein67.4 gin the top quarter of other foods (median 7 g)
  • Fiber2.1 gabove the median for other foods (median 1.9 g)
  • Sugars5.9 gabove the median for other foods (median 3.4 g)
  • Fat4.1 gbelow the median for other foods (median 6.5 g)
  • Saturated fat2.3 gabove the median for other foods (median 1.9 g)
  • Sodium221 mgbelow the median for other foods (median 240 mg)
  • Protein per 100 kcal17.4 gprotein density, useful for comparing foods with different calorie levels

Full nutrient profile

Other components (1)
Caffeine L0 mg

Product details

Brand
Amino Z
Barcode
5061108000830
Label serving
1 serving (38.9 g)
Category
Other Foods

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 Whey Protein Isolate?

100 g of Whey Protein Isolate has 388 kcal. Serving, 1 serving, 38.9 g (38.9 g): about 151 kcal.

Is Whey Protein Isolate high in protein?

Whey Protein Isolate contains 67.4 g of protein per 100 g (135% of the 50 g Daily Value), or 26.2 g in serving, 1 serving, 38.9 g (38.9 g). About 72% of its calories come from protein. Compared with other other foods, that is among the highest quarter (median 7 g).

How many carbs are in Whey Protein Isolate?

Whey Protein Isolate has 17.5 g of total carbohydrates per 100 g, including 2.1 g of fiber and 5.9 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 4.1 g of fat per 100 g, of which 2.3 g is saturated (12% of the Daily Value).

How much sodium is in Whey Protein Isolate?

100 g contains 221 mg of sodium, 10% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated July 26, 2026. 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 5061108000830. License: ODbL 1.0 (Open Food Facts). Source record dated July 26, 2026. Imported November 6, 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.