Mass

Mass by Basic Supplements has 389 kcal per 100 g. One serving (265 g) is about 1031 kcal.

Mass contains 18.9 g of protein per 100 g — about 50.1 g per 265 g serving.

Yes — 18.9 g of protein per 100 g, supplying 19% of its calories. That makes it a good protein source.

Yes — carbohydrates provide 74% of its calories (71.7 g per 100 g, of which 4.2 g is sugar). It also delivers 1.1 g of fiber.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (389 kcal); points in favor come from protein (18.9 g). Overall that places it in band B.

About 26 g of Mass equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 389 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 194 kcal.

It is a moderate source: 107.2 mg per 100 g, about 8% of the daily value. A 200 g portion covers roughly 16%.