Whey Protein

Whey Protein by Naturaltein has 385 kcal per 100 g. One serving (38 g) is about 146 kcal.

Whey Protein contains 63.2 g of protein per 100 g — about 24 g per 38 g serving.

Yes — 63.2 g of protein per 100 g, supplying 66% of its calories. That makes it an excellent protein source.

It provides 4.5 g of fiber per 100 g — 16% of the daily value.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (385 kcal), sugar (10.6 g), saturated fat (3 g); points in favor come from fiber (4.5 g), protein (63.2 g). Overall that places it in band B.

About 26 g of Whey Protein equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 385 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 192 kcal.

Per 100 g it has 10.6 g sugar and 5 g fat (3 g saturated). Fat provides 11% of its calories, so portion size matters most here.