Avoiding the gluten has spawned a huge global food sector worth an estimated 5 billion dollars.
Today 1 in 10 of us go gluten free, with many more...up to one third of us, saying we're trying to cut down on how much gluten we eat.
One young baker in Auckland's been liberated from her own dietary restrictions by what she calls her Freedom Loaf. This Way Up's Simon Morton went to meet her.