Whey

Packaged product Other Foods Protein 100

Whey contains 390 kcal per 100 g. A serving, 1 portion, 21 g (21 g) provides about 82 kcal.

Roughly 72% of its calories come from protein, with 16% from carbohydrates and 12% from fat (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 370% of the Daily Value for Vitamin C, 342% of the Daily Value for Pantothenic acid (B5) and 318% of the Daily Value for Thiamin (B1).

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

390kcal per 100 g
70.9 gprotein
15.6 gcarbohydrates
5.1 gfat
82kcal in serving, 1 portion, 21 g (21 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 390 kcal
Total fat L 5.1 g 7%
Saturated fat not reported
Sodium not reported
Total carbohydrates L 15.6 g 6%
Dietary fiber not reported
Total sugars not reported
Protein L 70.9 g 142%
Vitamin A L 2,620 µg291%
Vitamin C L 333 mg370%
Vitamin D L 18.1 µg91%
Vitamin E L 19 mg127%
Thiamin (B1) L 3.8 mg318%
Riboflavin (B2) L 4.1 mg312%
Pantothenic acid (B5) L 17.1 mg342%
Vitamin B6 L 3.8 mg224%
Folate (B9) L 714 µg179%
Vitamin B12 L 7.6 µg318%

% 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: 16%Fat: 12%390kcal / 100 g
  • Protein 72%
  • Carbohydrates 16%
  • Fat 12%

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 C370%Pantothenic acid (B5)342%Thiamin (B1)318%Vitamin B12318%Riboflavin (B2)312%Vitamin A291%Vitamin B6224%Folate (B9)179%Vitamin E127%Vitamin D91%

Nutritional insights

  • Protein70.9 gin the top quarter of other foods (median 7.4 g)
  • Fat5.1 gbelow the median for other foods (median 6.6 g)
  • Protein per 100 kcal18.2 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Protein 100
Barcode
4977013101337
Label serving
1 portion (21 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.

Source of the nutrition information

  • Open Food Facts, record 4977013101337. License: ODbL 1.0 (Open Food Facts). Source record dated May 21, 2025. Imported November 12, 2026.

Last updated: . Data quality score: 75/100 (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?

100 g of Whey has 390 kcal. Serving, 1 portion, 21 g (21 g): about 82 kcal.

Is Whey high in protein?

Whey contains 70.9 g of protein per 100 g (142% of the 50 g Daily Value), or 14.9 g in serving, 1 portion, 21 g (21 g). About 72% 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?

Whey has 15.6 g of total carbohydrates per 100 g. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Whey?

Whey contains 5.1 g of fat per 100 g.

What vitamins and minerals does Whey contain?

Per 100 g, the most notable amounts relative to the Daily Value are Vitamin C (370% DV), Pantothenic acid (B5) (342% DV), Thiamin (B1) (318% DV), Vitamin B12 (318% DV) and Riboflavin (B2) (312% DV). The full list is in the vitamins and minerals table above.

Where does this nutrition data come from?

From Open Food Facts, record dated May 21, 2025. FoodFactly last checked it on November 12, 2026. Each value above shows whether it was measured, calculated or taken from a label.