Why does Mackerel fillets in tomato sauce receive a Nutri‑Score of C?

The Nutri‑Score calculation balances the relatively high protein content against moderate levels of total fat, saturated fat and salt; these negatives outweigh the low sugars, resulting in a middle‑range C rating.

How might the sugar and salt levels in this canned mackerel affect a diabetic or hypertensive diet?

At 1.9 g of sugar per 100 g, the product contributes a modest amount of carbohydrate that can raise blood glucose if consumed in large quantities, while its 0.98 g of salt is lower than many processed foods but still adds to daily sodium intake, requiring monitoring for hypertension.

Is the fish in this product a concern for people with a fish allergy?

Yes, mackerel is a common allergenic fish; anyone with a fish allergy should avoid this product, as it contains no alternative protein sources to mitigate the risk.

Waitrose

Mackerel fillets in tomato sauce

Fish Meat Eggs

Product Insights

Mackerel fillets in tomato sauce are a ready‑to‑eat canned seafood product belonging to the fish and seafood group. It carries a Nutri‑Score of C and is classified as a NOVA 3 processed food; the 100 g portion provides 13.5 g protein and omega‑3 rich fish but also 11.5 g fat (2.7 g saturated) and 0.98 g salt, giving it a moderate energy level of 168 kcal. The product is certified MSC sustainable, yet its eco‑score of C reflects the environmental impact of canning and packaging.

Nutrient Levels

Traffic light indicators

Fat

moderate

Saturated Fat

moderate

Sugars

low

Salt

moderate

Nutritional Values

Values per 100 g/ml

Energy Kcal168 kcal

Fat11.5 g

Saturated Fat2.7 g

Carbohydrates2.6 g

Sugars1.9 g

Comparative Analysis

Compared with the average seafood category, this product has about double the fat (11.5 g vs 6.6 g) and saturated fat (2.7 g vs 1.3 g), lower salt (0.98 g vs 5.3 g), higher sugar (1.9 g vs 1.0 g), fewer protein (13.5 g vs 18.1 g) and slightly higher calories (168 kcal vs 149 kcal).

84%

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Frequently Asked Questions

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