The gluten free aisle in the supermarket is huge, and is growing larger every month. In 2016 the global gluten free market was worth $14.95 billion and is expected to grow at an annual rate of just over 9% every year. This rise in the gluten free market has also seen a rise in people claiming they are eating gluten free without being diagnosed as coeliac or intolerant to gluten. So is eating gluten free healthier for you?