Natural Whey Isolate

Natural Whey Isolate by Thrive Protein has 368 kcal per 100 g. One serving (34 g) is about 125 kcal.

Natural Whey Isolate contains 79.4 g of protein per 100 g — about 27 g per 34 g serving.

Yes — 79.4 g of protein per 100 g, supplying 84% of its calories. That makes it an excellent protein source.

Yes — only 0 g of sugar per 100 g. Most of its 8.8 g of carbs come from starch and fiber rather than sugar.

It provides 5.9 g of fiber per 100 g — 21% of the daily value, making it a high-fiber food.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (368 kcal); points in favor come from fiber (5.9 g), protein (79.4 g). Overall that places it in band A.

About 27 g of Natural Whey Isolate equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 368 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 184 kcal.