Reeses Nut Bar

Reeses Nut Bar by Reese's has 517 kcal per 100 g. One serving (100 g) is about 517 kcal.

Reeses Nut Bar contains 10 g of protein per 100 g — about 10 g per 100 g serving.

Yes — 10 g of protein per 100 g, supplying 8% of its calories. That makes it a good protein source.

It has 11.5 g of saturated fat per 100 g — 57% of the daily value, which counts as high.

It provides 3.9 g of fiber per 100 g — 14% of the daily value.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (517 kcal), saturated fat (11.5 g); points in favor come from fiber (3.9 g), protein (10 g). Overall that places it in band C.

About 19 g of Reeses Nut Bar equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 517 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 258 kcal.