In recent years, increasing attention has been given to the relationship between digestive health and neurological function, particularly in children with autism. This connection, known as the gut–brain axis, plays a critical role in how physical discomfort can influence emotional and behavioural responses.
According to Dr. Krunal Kosada, the recommendation of a gluten-free diet for certain autistic children is rooted in this biological relationship. Gluten, a protein found in wheat and related grains, may act as an irritant in children who are sensitive to it. When the gut is inflamed or imbalanced, it can affect neurotransmitter signalling and stress responses in the brain.
Clinical observations show that some autistic children experience gastrointestinal symptoms such as bloating, constipation, or diarrhea. These symptoms can increase irritability, reduce sleep quality, and impair emotional regulation. In such cases, dietary modification may reduce physical stress, allowing the child to feel calmer and more settled.
Another mechanism discussed in medical literature is intestinal permeability. When the gut barrier becomes less selective, inflammatory substances may enter circulation and influence neurological pathways. While this does not cause autism, it may intensify behavioural expressions linked to discomfort.
Dr. Krunal stresses that dietary interventions must always be individualised. Not every autistic child benefits from a gluten-free diet, and indiscriminate dietary restrictions can sometimes cause nutritional imbalance. Any dietary change should be implemented cautiously, monitored carefully, and integrated into a broader developmental care plan.
The key takeaway, he notes, is balance: supporting gut health may enhance comfort and regulation, but it is never a standalone solution for autism.
