The GNT. Intolerances BASIC profile evaluates the main genetic variants associated with intolerance to gluten, lactose, and fructose. These intolerances are frequent causes of persistent digestive symptoms such as abdominal distension, gas, diarrhea, or discomfort after eating certain foods.

The goal is to identify the genetic predisposition to the most common food intolerances, facilitating differential diagnosis and diet personalization.