| Measure | Whey protein isolate | Whey protein powder |
|---|---|---|
| Typical serving | 1 scoop (28.7 g) | 1 scoop (26 g) |
| Protein per serving | 16.7 g | 20.3 g |
| Protein per 100 g | 58.1 g | 78.1 g |
| Calories per serving | 103 kcal | 92 kcal |
| Protein density | 65% of calories | 89% of calories |
| Share of 50 g Daily Value | 33% | 41% |
| Protein quality | Complete | Complete |
| Category | Protein supplements | Protein supplements |
Compare foods · Whey protein isolate · Whey protein powder
Protein comparison
Whey protein isolate vs Whey protein powder: which has more protein?
Whey protein isolate gives you 16.7 g of protein per 1 scoop; whey protein powder gives you 20.3 g per 1 scoop. On equal weight it is 58.1 g against 78.1 g per 100 g. The full side-by-side, from the same USDA-sourced records as the rest of the site:
The verdict
Whey protein powder has more protein on equal weight: 78.1 g per 100 g against whey protein isolate's 58.1 g, a lead of 20 g. Per typical serving, whey protein powder delivers 20.3 g (1 scoop) to whey protein isolate's 16.7 g (1 scoop), a difference of 3.6 g.
For the full breakdown of each food, see the protein in whey protein isolate and protein in whey protein powder pages, each with its USDA FoodData Central record id.
Quick answers
Whey protein isolate vs Whey protein powder FAQ
Which has more protein, whey protein isolate or whey protein powder?
Whey protein powder has more protein per 100 g: 78.1 g against 58.1 g. Per typical serving, whey protein isolate provides 16.7 g (1 scoop) and whey protein powder provides 20.3 g (1 scoop).
Is whey protein isolate or whey protein powder more protein-dense?
Whey protein powder is the more protein-dense of the two: about 89% of its calories come from protein, against 65% for whey protein isolate.
Are whey protein isolate and whey protein powder complete proteins?
Yes, both. Whey protein isolate and whey protein powder each supply all nine essential amino acids in adequate amounts, so either can carry a meal's protein on its own.
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