GUNDO is a tool, through a mobile APP, that facilitates food purchase decision-making for people who want to improve their diet and nutrition. GUNDO is integrated into online supermarkets via API, where our artificial intelligence algorithm uses machine learning to cross-check information from the profile with the shopping basket and provide anutritional score by analyzing micronutrients and macronutrients. The application suggests with product recommendations how to improve the shopping basket to ensure there are no nutritional deficiencies. GUNDO is your nutritional assistant while you shop online. It is easy to use, customized to your preferences or any food restriction, it provides a complete analysis in real time. GUNDO seeks to improve people's eating habits in order to have a healthier life, thus also contributing towards healthier aging and a better quality of life. Personalized nutrition recommendations while doing your groceries