Canned Tuna

Canned Tuna by Rio Mare has 401 kcal per 100 g. One serving (80 g) is about 321 kcal.

Canned Tuna contains 17 g of protein per 100 g — about 13.6 g per 80 g serving.

Yes — 17 g of protein per 100 g, supplying 17% of its calories. That makes it a good protein source.

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

It has 6 g of saturated fat per 100 g — 30% of the daily value, which counts as high.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (401 kcal), saturated fat (6 g), sodium (440 mg); points in favor come from protein (17 g). Overall that places it in band C.

About 25 g of Canned Tuna equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 401 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 200 kcal.