The masterclass covers the health impacts of ultra-processed foods (UPF) and their classification based on levels of processing, ranging from minimally processed foods to heavily industrialized products. It explains how frequent consumption of UPF contributes to obesity, metabolic disorders, cardiovascular diseases, gut dysbiosis, and nutrient deficiencies. The session highlights key physiological risks linked to additives, low fiber content, and high caloric density in packaged foods. It also emphasizes adopting a balanced lifestyle built on whole foods, regular physical activity, proper hydration, and quality sleep to reduce dependence on ultra-processed foods and support long-term health.