This refers to products that strictly exclude gluten, which is a mixture of proteins found in wheat as well as barley, rye, and oats among other products. Gluten may cause both gastrointestinal and systemic symptoms for those with gluten-related disorders, including coeliac disease.
In Australia, one in seventy people have Coeliac Disease. Symptoms include diarrhoea, bloating, wind, fatigue, and osteoporosis. However, it is possible to have no symptoms. That is why four out of five Australian’s who have Coeliac Disease remain diagnosed.