Coffee

Coffee by Costa has 50 kcal per 100 g. One serving (10 g) is about 5 kcal.

Coffee contains 10 g of protein per 100 g — about 1 g per 10 g serving.

Yes — 10 g of protein per 100 g, supplying 45% of its calories. That makes it a good protein source.

Yes — only 0 g of sugar per 100 g. Most of its 12 g of carbs come from starch and fiber rather than sugar.

Yes — just 42.5 mg per 100 g (2% of the daily value), which qualifies as low sodium.

It provides 10 g of fiber per 100 g — 36% 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. It collects almost no negative points (low sugar, saturated fat and sodium); points in favor come from fiber (10 g), protein (10 g). Overall that places it in band A.

About 200 g of Coffee equals 100 kcal. It is a relatively low energy-density food, so portions can be generous.