Health Alert: High Salt Levels Found in Popular UK Sandwiches from Sainsbury’s, Greggs, Gail’s, Tesco, and M&S
Wednesday, May 13, 2026
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A recent study has revealed alarmingly high salt content in some of the UK’s most popular shop-bought sandwiches. Action on Salt & Sugar analysed 546 sandwiches, wraps, rolls, and baguettes from supermarkets and high street chains, uncovering that one in ten exceed recommended salt and calorie health targets.
The study found that 44% of these products would warrant a red or “high” salt warning on their packaging, with 32% delivering half or more of an adult’s maximum daily salt limit in just one serving.