UK government wants to update rules to include naturally occurring ‘free sugars’ when determining what is unhealthy UK government wants to update rules to include naturally occurring ‘free sugars’ when determining what is unhealthy Bran flakes may be classed as junk food under new government reforms designed to promote healthy eating. Britain has for decades been one of the world’s largest consumers of puffed, flaked and sugared breakfast cereals, despite warnings over the years that they might