Whey Protein Isolate

Packaged product Other Foods ESN

Whey Protein Isolate contains 349 kcal per 100 g. A serving, 30 g (30 g) provides about 105 kcal.

Roughly 97% of its calories come from protein, with 3% from carbohydrates and 0% from fat (estimated with general energy factors).

That is close to the median for other foods on FoodFactly (375 kcal per 100 g).

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

Whey Protein Isolate by ESN, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
349kcal per 100 g
81 gprotein
2.7 gcarbohydrates
0 gfat
105kcal in serving, 30 g (30 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 349 kcal
Total fat L 0 g 0%
Saturated fat L 0 g 0%
Trans fat L 0 g
Cholesterol L 0 mg 0%
Sodium L 44 mg 2%
Total carbohydrates L 2.7 g 1%
Dietary fiber L 0 g 0%
Total sugars L 1.4 g
Protein L 81 g 162%
Vitamin A L 0 µg0%
Vitamin C L 0 mg0%
Vitamin D L 0 µg0%
Vitamin E L 0 mg0%
Vitamin K L 0 µg0%
Calcium L 0 mg0%
Iron L 0 mg0%
Magnesium L 0 mg0%
Phosphorus L 0 mg0%
Potassium L 0 mg0%
Zinc L 0 mg0%
Copper L 0 mg0%
Manganese L 0 mg0%
Selenium L 0 µg0%

% 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: 3%349kcal / 100 g
  • Protein 97%
  • Carbohydrates 3%

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

Vitamin A0%Vitamin C0%Vitamin D0%Vitamin E0%Vitamin K0%Calcium0%Iron0%Magnesium0%Phosphorus0%Potassium0%

Nutritional insights

  • Protein81 gin the top quarter of other foods (median 76.3 g)
  • Fiber0 gin the lowest quarter of other foods (median 1.5 g)
  • Sugars1.4 gbelow the median for other foods (median 3.1 g)
  • Fat0 gin the lowest quarter of other foods (median 4.2 g)
  • Saturated fat0 gin the lowest quarter of other foods (median 1.7 g)
  • Sodium44 mgin the lowest quarter of other foods (median 248 mg)
  • Protein per 100 kcal23.2 gprotein density, useful for comparing foods with different calorie levels

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat L0 g
Polyunsaturated fat L0 g
Other components (2)
Alcohol L0 g
Caffeine L0 mg

Product details

Brand
ESN
Barcode
4250519679716
Label serving
30 g
Category
Protein powders

Ingredients

Ingredients not reported.

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Perform Perform 349 83.2 g 2.8 g 0.5 g
Australian grass fed whey protein Primabilics 349 86.4 g 3.6 g 0 g
Native Whey Isolat Instant AM NUTRITION 349 77.9 g 5.1 g 1.6 g
Clear Isolate Weider 349 86 g 1.1 g 0.2 g
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Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

  • Open Food Facts, record 4250519679716. License: ODbL 1.0 (Open Food Facts). Source record dated October 1, 2026. Imported November 12, 2026.

Last updated: . Data quality score: 95/100 (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 349 kcal. Serving, 30 g (30 g): about 105 kcal.

Is Whey Protein Isolate high in protein?

Whey Protein Isolate contains 81 g of protein per 100 g (162% of the 50 g Daily Value), or 24.3 g in serving, 30 g (30 g). About 97% of its calories come from protein. Compared with other other foods, that is among the highest quarter (median 76.3 g).

How many carbs are in Whey Protein Isolate?

Whey Protein Isolate has 2.7 g of total carbohydrates per 100 g, including 0 g of fiber and 1.4 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 0 g of fat per 100 g, of which 0 g is saturated (0% of the Daily Value).

How much sodium is in Whey Protein Isolate?

100 g contains 44 mg of sodium, 2% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated October 1, 2026. FoodFactly last checked it on November 12, 2026. Each value above shows whether it was measured, calculated or taken from a label.