All the major supermarkets - Sainsbury's, Asda, Morrisons, the Co-operative, Waitrose and Tesco - have announced that they will use a new front-of-packet labelling system on their products.
They have been joined by food producers Mars UK, Nestle UK, PepsiCo UK, Premier Foods and McCain Foods.
The Department of Health said the businesses that had signed up to using the new label to date accounted for more than 60% of the food that is sold in the UK.
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"You are one of the silence breakers and we all owe you a debt of gratitude."
Maximum temperature 11 C (52 F).
A cut in stamp duty to help first-time buyers is likely to push prices by at least the amount the reduction is supposed to save, MPs said.