I don't know too much about Salmon as I'm not a lover of fish but thought this might help someone. Price equivalent to £1.39/100g. Offer available instore and online.
Description from Sainsbury's website:
Only at Sainsbury's.
Our salmon are specially selected from farms in the crystal waters of Scotland.
They are smoked gently over oak chippings for a mild flavour and expertly trimmed to leave just the prime selection.
Each serving provides... cal 132, fat 8.4g, sat fat 1.7g, salt 2.55g, total sugars trace.
High in omega 3.