Rock salt
What is Rock salt?
Rock salt is a coarse-grained, unrefined salt, typically mined from underground deposits. It is essentially sodium chloride (NaCl), often containing trace minerals that give it a pink or grey hue. It is used as a seasoning and flavour enhancer.
Is Rock salt vegan?
Rock salt is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is Rock salt a major allergen?
Rock salt is not one of the 14 major allergens required to be emphasised on UK food labels.
What is Rock salt used for?
Manufacturers use rock salt primarily for its flavour and texture.
Is Rock salt safe?
Rock salt is not classified as a food additive in the UK and therefore does not have an E-number.
Why it's used
Manufacturers use rock salt primarily for its flavour and texture. Its coarse crystals provide a satisfying crunch and a less intense saltiness compared to fine table salt. It is commonly found in seasonings, rubs, and as a finishing salt for dishes.
Health notes
Rock salt is not classified as a food additive in the UK and therefore does not have an E-number. Like all forms of salt, it is a source of sodium, and the UK's Eatwell Guide advises adults to consume no more than 6g of salt per day. High sodium intake is associated with increased blood pressure, according to the NHS.
Allergen info
Rock salt is not one of the 14 major allergens required to be emphasised on UK food labels. Not a major allergen.
Foods that contain Rock salt
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