Individuals are usually diagnosed Breathe Green Charcoal Bagwith a gluten allergy during early childhood. On occasion, cases of a gluten allergy can be diagnosed during adulthood or even during the late stages of life. When an individual is diagnosed with a gluten allergy, it is referred to as Coeliac disease; it has been reported that one in 200 to 250 people are diagnosed with Coeliac disease. When gluten is introduced into the body, the small intestine begins to break down, which can cause symptoms such as diarrhea, abdominal pain, fatigue, and weight loss.