• Food intolerance — difficulty digesting a certain food component, causing symptoms like bloating or diarrhoea.
  • Food allergy — immune system reaction to a food that can be serious or life-threatening.
  • Coeliac disease — autoimmune condition where gluten damages the small intestine.
  • Irritable Bowel Syndrome (IBS) — a long-term gut condition causing repeated abdominal pain and bowel changes.