Officials will publish their new recommendations early next year.
Earlier this year, Prof Susan Jebb, the Government's chief obesity advisor, said she would support removing fruit juices from "five a day" and encouraging people to eat a piece of fruit instead.
Investigations by the Telegraph have identified some smoothies with at least three times the new recommended limit, which equates to around 6 to 7 teaspoons of sugar for women, and 7 to 8 teaspoons for men.
Many fruit juices sold by major brands provide 6 to 7 teaspoons per serving – meaning the daily limits would be reached without any other sugar in the diet.
Health officials also pledged to take on a "supersize culture" which has seen portion sizes soar over the years.
Public Health England said it would seek changes from manufacturers so that smaller portions of chocolate bars and fizzy drinks become the "default" on offer, and will draw up measures to restrict promotion of unhealthy foods.
Officials are considering a raft of measures, including taxes on sugary foods, restrictions on advertising, including online, and bans on "upselling" of products – so that customers are asked whether they want to "supersize" their purchase, or add an additional product, such as chocolate or cake.
Local authorities could introduce bans on vending machines selling unhealthy snacks in leisure centres, under the proposals.
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