Total sugar and salt content per 100g in the 13 UK cereals surveyed. UK government 2017 sugar targets - Low sugar = less than 5.1g, Medium sugar = between 5.1g and 22.5g, High sugar = more than 22.5g. UK government 2017 salt targets - Low = less than 0.4g, Medium = between 0.4 and 1.5g, High = more than 1.5g.