Digestive

Digestive by M&S Food has 503 kcal per 100 g. One serving (17 g) is about 85 kcal.

Digestive contains 35.5 g of protein per 100 g — about 6 g per 17 g serving.

Yes — 35.5 g of protein per 100 g, supplying 23% of its calories. That makes it an excellent protein source.

Yes — 150.9 g of sugar per 100 g, roughly 38 teaspoons. Sugar makes up 100% of its carbohydrates.

It has 13 g of saturated fat per 100 g — 65% of the daily value, which counts as high.

It provides 20.7 g of fiber per 100 g — 74% of the daily value, making it a high-fiber food.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (503 kcal), sugar (150.9 g), saturated fat (13 g), sodium (402.4 mg); points in favor come from fiber (20.7 g), protein (35.5 g). Overall that places it in band E.

About 20 g of Digestive equals 100 kcal. It is energy-dense, so small amounts add up quickly.