Gold Standard 100% Whey

Gold Standard 100% Whey by Optimum Nutrition has 45 kcal per 100 g.

Gold Standard 100% Whey contains 9.6 g of protein per 100 g.

With 0.7 g total carbs (about 0 g net carbs) per 100 g, it fits low-carb and keto eating patterns in normal portions.

Yes — just 28 mg per 100 g (1% of the daily value), which qualifies as low sodium.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. It collects almost no negative points (low sugar, saturated fat and sodium); points in favor come from protein (9.6 g). Overall that places it in band A.

About 222 g of Gold Standard 100% Whey equals 100 kcal. It is a relatively low energy-density food, so portions can be generous.

No — only 45 kcal per 100 g; even a 300 g portion stays around 135 kcal.

Per 100 g it has 0.5 g sugar and 0.4 g fat (0.3 g saturated). Fat provides 8% of its calories, so portion size matters most here.