グルタミン

グルタミン by ビーレジェンド has 400 kcal per 100 g. One serving (5 g) is about 20 kcal.

グルタミン contains 100 g of protein per 100 g — about 5 g per 5 g serving.

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

Yes — just 0 mg per 100 g (0% 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. Points against come from calorie density (400 kcal); points in favor come from protein (100 g). Overall that places it in band A.

About 25 g of グルタミン equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 400 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 200 kcal.