One of the questions that most concerns the scientific community is to understand whether the introduction of proteins or vitamins into foods that do not normally contain them can trigger severe allergic reactions in humans are predisposed. As detailed in the article by Keith R. Schneider, Renee Goodrich Schneider and Susanna Richardson "Genetically Modified Foods", there is today a precise process for producing GMOs, which specifically requires not using any form of allergen , but if there is not enough evidence to prove this, it is mandatory to use labels informing consumers of possible