Monster Energy Zero Ultra

Monster Energy Zero Ultra by Monster Energy has 2 kcal per 100 g.

Monster Energy Zero Ultra contains 0 g of protein per 100 g.

Yes — carbohydrates provide 100% of its calories (500 g per 100 g, of which 0 g is sugar).

Yes — only 0 g of sugar per 100 g. Most of its 500 g of carbs come from starch and fiber rather than sugar.

Yes — 37000000 mg of sodium per 100 g, about 1608696% of the daily value.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from sodium (37000000 mg). Overall that places it in band C.

No — only 2 kcal per 100 g; even a 300 g portion stays around 6 kcal.

Per 100 g it has 0 g sugar and 0 g fat (0 g saturated). Fat provides 0% of its calories, so portion size matters most here.