100% Whey Gold Standard

100% Whey Gold Standard by Optimum Nutrition has 374 kcal per 100 g. One serving (30 g) is about 112 kcal.

100% Whey Gold Standard contains 80 g of protein per 100 g — about 24 g per 30 g serving.

Yes — 80 g of protein per 100 g, supplying 86% of its calories. That makes it an excellent protein source.

With 4.2 g total carbs (about 4.2 g net carbs) per 100 g, it fits low-carb and keto eating patterns in normal portions.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (374 kcal); points in favor come from protein (80 g). Overall that places it in band B.

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

Yes — 374 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 187 kcal.

Per 100 g it has 3.3 g sugar and 4 g fat (1.4 g saturated). Fat provides 9% of its calories, so portion size matters most here.