daily sugar allowance uk
That's a maximum of 30g of added sugar a day for adults, which is roughly seven sugar cubes. Children should have less â no more than 19g a day for children aged 4 to 6 years old (5 sugar cubes), and no more than 24g (6 sugar cubes) for children aged 7 to 10 years old.hat's a maximum of 30g of added sugar a day for adults, which is roughly seven sugar cubes. Children should have less â no more than 19g a day for children aged 4 to 6 years old (5 sugar cubes), and no more than 24g (6 sugar cubes) for children aged 7 to 10 years old.