Sliced Red Onions

Sliced Red Onions by Sainsbury's has 50 kcal per 100 g. One serving (80 g) is about 40 kcal.

Sliced Red Onions contains 1.2 g of protein per 100 g — about 1 g per 80 g serving.

Yes — just 5 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. It collects almost no negative points (low sugar, saturated fat and sodium). Overall that places it in band A.

About 200 g of Sliced Red Onions equals 100 kcal. It is a relatively low energy-density food, so portions can be generous.

No — only 50 kcal per 100 g; even a 300 g portion stays around 150 kcal.

Per 100 g it has 5.8 g sugar and 0.8 g fat (0.2 g saturated). Fat provides 17% of its calories, so portion size matters most here.