Showing values for 100 g
Nutrition facts
per 100 g% DV = share of the FDA daily value for the selected amount.
Source: Open Food Facts · Confidence: 90% · Barcode (EAN, unverified): 00399494 · Data last verified:
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Common questions
How many calories are in Sliced Red Onions?
Sliced Red Onions by Sainsbury's has 39 kcal per 100 g. One serving (50 g) is about 20 kcal.
How much protein is in Sliced Red Onions?
Sliced Red Onions contains 1.3 g of protein per 100 g — about 0.6 g per 50 g serving.
Is Sliced Red Onions low in sodium?
Yes — just 4 mg per 100 g (0% of the daily value), which qualifies as low sodium.
Why does Sliced Red Onions have a Nutri-Score of B?
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 B.
How much Sliced Red Onions is 100 calories?
About 256 g of Sliced Red Onions equals 100 kcal. It is a relatively low energy-density food, so portions can be generous.
Is Sliced Red Onions high in calories?
No — only 39 kcal per 100 g; even a 300 g portion stays around 117 kcal.
Is Sliced Red Onions high in sugar or fat?
Per 100 g it has 5.6 g sugar and 0.5 g fat (0.1 g saturated). Fat provides 12% of its calories, so portion size matters most here.
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