Beef Jerky - Original Flavour

Beef Jerky - Original Flavour by Jack Link's has 263 kcal per 100 g. One serving (50 g) is about 132 kcal.

Beef Jerky - Original Flavour contains 17 g of protein per 100 g — about 8.5 g per 50 g serving.

Yes — 17 g of protein per 100 g, supplying 53% of its calories. That makes it a good protein source.

Yes — 700 mg of sodium per 100 g, about 30% of the daily value.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from sugar (10.8 g), sodium (700 mg); points in favor come from protein (17 g). Overall that places it in band C.

About 38 g of Beef Jerky - Original Flavour equals 100 kcal.

Per 100 g it has 10.8 g sugar and 1.5 g fat (0.5 g saturated). Fat provides 10% of its calories, so portion size matters most here.