Whey

Whey by Evolution Nutrition has 397 kcal per 100 g. One serving (37 g) is about 147 kcal.

Whey contains 67.6 g of protein per 100 g — about 25 g per 37 g serving.

Yes — 67.6 g of protein per 100 g, supplying 68% of its calories. That makes it an excellent protein source.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (397 kcal); points in favor come from protein (67.6 g). Overall that places it in band C.

About 25 g of Whey equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 397 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 198 kcal.

It is a moderate source: 667.6 mg per 100 g, about 14% of the daily value. A 200 g portion covers roughly 28%.

It is a good source: 659.5 mg per 100 g, about 51% of the daily value. A 200 g portion covers roughly 102%.