It started as a simple idea – to save scores of children from being born with a crippling disability, by putting a tiny amount of folate in bread.
Just six weeks before it comes into force, the folic acid debate rages on.
In a new development, the Government is looking at ways it can scrap plans for its mandatory introduction in September.
Geneticist Dr Joanne Dixon and Nicole Grace from the Health Freedom Trust join Carly Flynn to discuss the advantages and disadvantages of adding folate to bread.