Calories in Prawns (Ireland)

Prawns ranked by protein density

Showing the top 50 of the 97 prawns products that carry a comparable calorie figure, ranked by protein per 100 calories. Figures per label, sourced from Open Food Facts and tracker user logs.

What the prawns numbers show

Median across all 97 of them is 3.5g of protein per 100 calories. 21 clear 10g of protein per 100 calories — about one in five, and 10g is the line Keith uses for a food that pays for its calories.

Calories run from 51 to 566 per 100g inside this one group, an 11-fold spread, so “prawns” on its own tells you almost nothing about what a portion costs you.

Own-brand is not the compromise here. The supermarket own-label median is 4.8g of protein per 100 calories across 51 products, against 1.4g for the 46 name-brand ones.

What to actually pick

Most of what is sold as prawns is not a protein food. The 21 that clear 10g per 100 calories sit at the top of the table and are the exceptions, not the rule.

39 of the 97 carry 400 calories or more per 100g — the ones worth weighing rather than eyeballing.

Where this fits

A protein-per-calorie number is only useful once you know the target, and that is how much protein a day actually works out to.

For one specific product rather than the whole group, the 20,000-product database is searchable on Calories in Ireland, and the same figures are built into the free calorie tracker.

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