12 Worst UK Supermarkets For Fish Exposed (And 4 You Can Trust)

Think twice before buying your next cod fillet or salmon loin from the high street. In this investigative exposé, we look behind the glass counters of major UK supermarkets like Tesco, Sainsbury's, and ASDA to reveal the shocking reality of chemical treatments, heavy water padding, and rampant species fraud. From the deceptive "fresh" displays that hide previously frozen imports to the local shops that are quietly doing it right, we map out the entire British retail landscape so you can protect both your family's health and your wallet. Watch right to the very end to master the five non-negotiable rules the experts use to spot real, traceable seafood every single time you shop.