The maker of some of Britain's most popular pasta sauces plans to tell customers some of its products should be eaten only once a week.
Mars Food, whose brands include Dolmio and Uncle Ben's, will divide its range into products that can be eaten every day or only occasionally, to reflect Government efforts to change the nation's appetite.
The plan is part of the company's efforts to promote eating healthy meals, with other measures including a cut in salt and sugar in some of its recipes and an increase in the use of wholegrains.
As a result any products that require high levels of sugar, salt and fat to preserve an "authentic" taste will carry advice on how sparingly they should be eaten, the company said.
The move comes after Chancellor George Osborne announced a sugar tax in his recent budget to tackle childhood obesity.
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Mars announced its global "health and wellbeing ambition" as an initiative that will involve some of its products being reformulated over the next five years to cut their fat, salt and sugar content.
However, it added: "To maintain the authentic nature of the recipe, some Mars Food products are higher in salt, added sugar or fat.
"As these products are not intended to be eaten daily, Mars Food will provide guidance to consumers on-pack and on its website regarding how often these meal offerings should be consumed within a balanced diet."
Mars plans a reduction in the salt content of its products by an average of 20 per cent by 2021.
There will also be a cut in the added sugar in a "limited" number of sauces and light meals by 2018.
