Food database · Protein supplements

Protein content

Protein in Whey protein powder

20.3 g of protein in 1 scoop (26 g) of whey protein powder, or 22.2 g for every 100 kcal it supplies.

20.3 g
per 1 scoop

Protein by the numbers

Share of this food's calories that come from protein - it is extremely protein-dense.

Protein 89% of caloriesOther 11%
Protein figures for Whey protein powder, per serving, per 100 g and per 100 kcal.
Protein per 100 kcal22.2 g
Protein per 100 g78.1 g
Protein per serving20.3 g in 1 scoop (26 g)
Calories from protein89%
Protein to fat50.1 g per 1 g fat
Rank in protein supplements, per 100 kcal3rd of 11
Rank of all foods, per 100 g4th of 796
Share of 50 g Daily Value41% per serving
Protein qualityComplete protein

One 1 scoop, 20.3 g protein.

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Protein rank and density: whey protein powder

Every 100 kcal of whey protein powder brings 22.2 g of protein. On that measure it ranks 3rd of the 11 protein supplements in this database and 8th of all 796 foods on the site. Measured by weight instead, its 78.1 g per 100 g ranks 4th in its group.

About 89% of the calories in whey protein powder come from protein, which makes it extremely protein-dense - close to the practical ceiling for a whole food. Foods in this band are the ones that let you raise your protein intake without raising your calorie intake much at all.

Weight for weight, whey protein powder has 50.1 g of protein for each gram of fat (78.1 g against 1.56 g per 100 g).

Set against soy protein concentrate, another protein supplement entry in the database, a serving carries about 2.5 g more protein (soy protein concentrate has 17.8 g per 1 oz).

It is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own. The serving quoted here is counted by piece at 26 g, and it covers about 41% of the 50 g FDA Daily Value for protein.

Rich in leucine, the amino acid that most strongly triggers muscle-protein synthesis. Whey is fast-digesting and among the highest-quality proteins available.

Serving sizes

Protein in common portions of whey protein powder

Protein and calories in Whey protein powder for 100 g, the site serving and USDA household portions.
PortionWeightProteinCalories
100 g100 g78.1 g352 kcal
1 scoop (serving used here)26 g20.3 g92 kcal
1 scoop Gold Standard20.5 g16 g72 kcal
1 scoop NOW Foods32 g25 g113 kcal
1 tablespoon13 g10.2 g46 kcal

Portion weights are the household measures listed on the USDA record; protein and calories scale from the per-100 g figures.

SampleWhat goal trends look like after a week
109 g
Average per logged day
4 of 7
Days goal met
71%
Complete-protein share
Sample figures for one made-up week against a 110 g goal, not your data. Red bars met the goal. Your own log fills this in with Premium.

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Head to head

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Quick answers

Whey protein powder protein questions

How much protein is in 100 g of whey protein powder?

78.1 g. The 1 scoop serving used on this page weighs 26 g and so carries 20.3 g.

How much protein do you get per 100 calories of whey protein powder?

22.2 g. That figure divides its 78.1 g of protein per 100 g by its 352 kcal per 100 g, so it does not depend on serving size.

Is the protein in whey protein powder complete?

Yes. The protein in whey protein powder supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own.

What share of the protein Daily Value is one serving of whey protein powder?

About 41%. One 1 scoop serving has 20.3 g, and the FDA Daily Value for protein is 50 g.

Figures from USDA FoodData Central record #2710742 (Nutritional powder mix, whey based, NFS), FNDDS survey data. USDA data is in the public domain. Values are the published reference figures for that record, not lab measurements for a specific brand or batch.